384 lines
12 KiB
YAML
384 lines
12 KiB
YAML
abstract: 'Background Understanding potential trajectories in health and drivers of
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health is crucial to guiding long -Lentil investments and policy
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itnpletnentation. Past work on forecasting has provided an incomplete
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landscape of future health scenarios, highlighting a need for a more
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robust modelling platform from which policy options and potential health
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trajectories can be assessed. This study provides a novel approach to
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modelling life expectancy, all -cause mortality and cause of death
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forecasts and alternative future scenarios for 250 causes of death from
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2016 to 2040 in 195 countries and territories.
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Methods We modelled 250 causes and cause groups organised by the Global
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Burden of Diseases, Injuries, and Risk Factors Study (GBD) hierarchical
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cause structure, using GBD 2016 estimates from 1990-2016, to generate
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predictions for 2017-40. Our modelling framework used data from the GBD
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2016 study to systematically account for the relationships between risk
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factors and health outcomes for 79 independent drivers of health. We
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developed a three-component model of cause-specific mortality: a
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component due to changes in risk factors and select interventions; the
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underlying mortality rate for each cause that is a function of income
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per capita, educational attainment, and total fertility rate under 25
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years and time; and an autoregressive integrated moving average model
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for unexplained changes correlated with time. We assessed the
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performance by fitting models with data from 1990-2006 and using these
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to forecast for 2007-16. Our final model used for generating forecasts
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and alternative scenarios was fitted to data from 1990-2016. We used
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this model for 195 countries and territories to generate a reference
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scenario or forecast through 2040 for each measure by location.
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Additionally, we generated better health and worse health scenarios
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based on the 85th and 15th percentiles, respectively, of annualised
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rates of change across location-years for all the GBD risk factors,
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income per person, educational attainment, select intervention coverage,
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and total fertility rate under 25 years in the past. We used the model
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to generate all-cause age-sex specific mortality, life expectancy, and
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years of life lost (YLLs) for 250 causes. Scenarios for fertility were
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also generated and used in a cohort component model to generate
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population scenarios. For each reference forecast, better health, and
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worse health scenarios, we generated estimates of mortality and YLLs
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attributable to each risk factor in the future.
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Findings Globally, most independent drivers of health were forecast to
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improve by 2040, but 36 were forecast to worsen. As shown by the better
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health scenarios, greater progress might be possible, yet for some
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drivers such as high body-mass index (BMI), their toll will rise in the
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absence of intervention. We forecasted global life expectancy to
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increase by 4.4 years (95\% UI 2.2 to 6.4) for men and 4.4 years (2.1 to
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6.4) for women by 2040, but based on better and worse health scenarios,
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trajectories could range from a gain of 7.8 years (5.9 to 9.8) to a
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non-significant loss of 0.4 years (-2.8 to 2.2) for men, and an increase
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of 7.2 years (5.3 to 9.1) to essentially no change (0.1 years {[}-2.7 to
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2. 5]) for women. In 2040, Japan, Singapore, Spain, and Switzerland had
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a forecasted life expectancy exceeding 85 years for both sexes, and 59
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countries including China were projected to surpass a life expectancy of
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80 years by 2040. At the same time, Central African Republic, Lesotho,
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Sotnalia, and Zimbabwe had projected life expectancies below 65 years in
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2040, indicating global disparities in survival are likely to persist if
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current trends hold. Forecasted YLLs showed a rising toll from several
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non-communicable diseases (NCDs), partly driven by population growth and
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ageing. Differences between the reference forecast and alternative
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scenarios were most striking for HIV/AIDS, for which a potential
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increase of 120-2\% (95\% UI 67.2-190.3) in YLLs (nearly 118 million)
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was projected globally from 2016-40 under the worse health scenario.
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Compared with 2016, NCDs were forecast to account for a greater
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proportion of YLLs in all GB D regions by 2040 (67.3\% of YLLs {[}95\%
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UI 61.9-72.3] globally); nonetheless, in many lower-income countries,
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communicable, maternal, neonatal, and nutritional (CMNN) diseases still
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accounted for a large share of YLLs in 2040 (eg, 53.5\% of YLLs {[}95\%
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UI 48.3-58.5] in Sub-Saharan Africa). There were large gaps for many
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health risks between the reference forecast and better health scenario
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for attributable YLLs. In most countries, metabolic risks amenable to
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health care (eg, high blood pressure and high plasma fasting glucose)
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and risks best targeted by population -level or intersectoral
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interventions (eg, tobacco, high BMI, and ambient particulate matter
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pollution) had some of the largest differences between reference and
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better health scenarios. The main exception was sub-Saharan Africa,
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where many risks associated with poverty and lower levels of development
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(eg, unsafe water and sanitation, household air pollution, and child
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malnutrition) were projected to still account for substantive
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disparities between reference and better health scenarios in 2040.
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Interpretation With the present study, we provide a robust, flexible
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forecasting platform from which reference forecasts and alternative
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health scenarios can be explored in relation to a wide range of
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independent drivers of health. Our reference forecast points to overall
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improvements through 2040 in most countries, yet the range found across
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better and worse health scenarios renders a precarious vision of the
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future a world with accelerating progress from technical innovation but
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with the potential for worsening health outcomes in the absence of
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deliberate policy action. For some causes of YLLs, large differences
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between the reference forecast and alternative scenarios reflect the
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opportunity to accelerate gains if countries move their trajectories
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toward better health scenarios or alarming challenges if countries fall
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behind their reference forecasts. Generally, decision makers should plan
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for the likely continued shift toward NCDs and target resources toward
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the modifiable risks that drive substantial premature mortality. If such
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modifiable risks are prioritised today, there is opportunity to reduce
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avoidable mortality in the future. However, CMNN causes and related
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risks will remain the predominant health priority among lower -income
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countries. Based on our 2040 worse health scenario, there is a real risk
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of HIV mortality rebounding if countries lose momentum against the HIV
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epidemic, jeopardising decades of progress against the disease.
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Continued technical innovation and increased health spending, including
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development assistance for health targeted to the world''s poorest
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people, are likely to remain vital components to charting a future where
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all populations can live full, healthy lives. Copyright 2018 The
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Author(s). Published by Elsevier Ltd. This is an Open Access article
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under the CC BY 4.0 license.'
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affiliation: 'Murray, CJL (Corresponding Author), Univ Washington, Inst Hlth Metr
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\& Evaluat, Seattle, WA 98121 USA.
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Foreman, Kyle J.; Dolgert, Andrew; Fukutaki, Kai; Fullman, Nancy; McGaughey, Madeline;
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Pletcher, Martin A.; Smith, Amanda E.; Tang, Kendrick; Yuan, Chun-Wei; Brown, Jonathan
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C.; Patel, Disha J.; Carter, Austin; Cercy, Kelly; Douwes-Schultz, Dirk; Frank,
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Tahvi; Goettsch, Falko; Nandakumar, Vishnu; Reitsma, Marissa B.; Sadat, Nafis; Sorensen,
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Reed J. D.; Srinivasan, Vinay; Updike, Rachel L.; Lim, Stephen S.; Mokdad, Ali H.;
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Vollset, Stein Emil; Murray, Christoper J. L., Univ Washington, Inst Hlth Metr \&
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Evaluat, Seattle, WA 98121 USA.
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Marquez, Neal, Univ Washington, Dept Sociol, Seattle, WA 98195 USA.
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Friedman, Joseph, Univ Calif Los Angeles, Sch Publ Hlth, Los Angeles, CA 90024 USA.
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Liu, Patrick Y., Univ Calif Los Angeles, Sch Med, Los Angeles, CA USA.
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He, Jiawei, Baidu, Beijing, Peoples R China.
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Heuton, Kyle P., OM1, Boston, MA USA.
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Holmberg, Mollie, Univ British Columbia, Dept Geog, Vancouver, BC, Canada.
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Reidy, Patrick, Wellframe, Boston, MA USA.
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Reuter, Vince, Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA.
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Lopez, Alan D., Univ Melbourne, Sch Populat \& Global Hlth, Melbourne, Vic, Australia.
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Lozano, Rafael, Natl Inst Publ Hlth, Cuernavaca, Morelos, Mexico.'
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author: Foreman, Kyle J. and Marquez, Neal and Dolgert, Andrew and Fukutaki, Kai and
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Fullman, Nancy and McGaughey, Madeline and Pletcher, Martin A. and Smith, Amanda
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E. and Tang, Kendrick and Yuan, Chun-Wei and Brown, Jonathan C. and Friedman, Joseph
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and He, Jiawei and Heuton, Kyle P. and Holmberg, Mollie and Patel, Disha J. and
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Reidy, Patrick and Carter, Austin and Cercy, Kelly and Capin, Abigail and Douwes-Schultz,
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Dirk and Frank, Tahvi and Goettsch, Falko and Liu, Patrick Y. and Nandakumar, Vishnu
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and Reitsma, Marissa B. and Reuter, Vince and Sadat, Nafis and Sorensen, Reed J.
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D. and Srinivasan, Vinay and Updike, Rachel L. and York, Hunter and Lopez, Alan
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D. and Lozano, Rafael and Lim, Stephen S. and Mokdad, Ali H. and Vollset, Stein
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Emil and Murray, Christoper J. L.
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author-email: cjlm@uw.edu
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author_list:
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- family: Foreman
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given: Kyle J.
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- family: Marquez
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given: Neal
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- family: Dolgert
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given: Andrew
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- family: Fukutaki
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given: Kai
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- family: Fullman
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given: Nancy
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- family: McGaughey
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given: Madeline
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- family: Pletcher
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given: Martin A.
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- family: Smith
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given: Amanda E.
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- family: Tang
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given: Kendrick
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- family: Yuan
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given: Chun-Wei
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- family: Brown
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given: Jonathan C.
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- family: Friedman
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given: Joseph
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- family: He
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given: Jiawei
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- family: Heuton
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given: Kyle P.
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- family: Holmberg
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given: Mollie
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- family: Patel
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given: Disha J.
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- family: Reidy
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given: Patrick
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- family: Carter
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given: Austin
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- family: Cercy
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given: Kelly
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- family: Capin
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given: Abigail
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- family: Douwes-Schultz
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given: Dirk
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- family: Frank
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given: Tahvi
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- family: Goettsch
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given: Falko
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- family: Liu
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given: Patrick Y.
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- family: Nandakumar
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given: Vishnu
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- family: Reitsma
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given: Marissa B.
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- family: Reuter
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given: Vince
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- family: Sadat
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given: Nafis
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- family: Sorensen
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given: Reed J. D.
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- family: Srinivasan
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given: Vinay
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- family: Updike
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given: Rachel L.
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- family: York
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given: Hunter
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- family: Lopez
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given: Alan D.
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- family: Lozano
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given: Rafael
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- family: Lim
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given: Stephen S.
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- family: Mokdad
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given: Ali H.
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- family: Vollset
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given: Stein Emil
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- family: Murray
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given: Christoper J. L.
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da: '2023-09-28'
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doi: 10.1016/S0140-6736(18)31694-5
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eissn: 1474-547X
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esi-highly-cited-paper: Y
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esi-hot-paper: N
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files: []
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issn: 0140-6736
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journal: LANCET
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keywords-plus: 'GLOBAL BURDEN; UNITED-STATES; PROJECTIONS; HEALTH; TRENDS; DISABILITY;
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EDUCATION; SMOKING; DISEASE; OBESITY'
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language: English
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month: NOV 10
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number: '10159'
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number-of-cited-references: '52'
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orcid-numbers: 'Mokdad, Ali H./0000-0002-4994-3339
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Lozano, Rafael/0000-0002-7356-8823
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Lopez, Alan D/0000-0001-5818-6512
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Friedman, Joseph/0000-0002-5225-3267
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Srinivasan, Vinay/0000-0001-5779-5068
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York, Hunter/0000-0001-5084-5966
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Frank, Tahvi/0000-0002-1972-782X
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Douwes-Schultz, Dirk/0000-0002-6186-2275
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Carter, Austin/0000-0002-3588-6142'
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pages: 2052-2090
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papis_id: 2ce95d5e53a9725326d3a3996d77dd94
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ref: Foreman2018forecastinglife
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researcherid-numbers: 'Lopez, Alan/AAA-2734-2022
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Reitsma, Marissa/AAE-7719-2020
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Sorensen, Reed/HSH-0549-2023
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Mokdad, Ali H./AAD-1232-2022
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Lozano, Rafael/T-5352-2018
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Lopez, Alan D/F-1487-2010
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Friedman, Joseph/ABA-5864-2020
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'
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times-cited: '923'
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title: 'Forecasting life expectancy, years of life lost, and all-cause and cause-specific
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mortality for 250 causes of death: reference and alternative scenarios for 2016-40
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for 195 countries and territories'
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type: article
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unique-id: WOS:000449710900009
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usage-count-last-180-days: '23'
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usage-count-since-2013: '248'
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volume: '392'
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web-of-science-categories: Medicine, General \& Internal
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year: '2018'
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