Plant-based diet, Mediterranean diet linked to lower premature death | 植物性飲食、地中海飲食與降低過早死亡率有關

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Healthy Eating Patterns and Risk of Total and Cause-Specific Mortality | Cardiology | JAMA Internal Medicine | JAMA Network

A new study of old data from two U.S. studies suggests that eating either an alternate plant-based diet or alternate Mediterranean diet can reduce the risk of premature death from cardiovascular disease, cancer and respiratory disease by 20%.

The healthy plant-based diet includes high amounts of whole grains, fruits, vegetables, nuts, legumes vegetable oils, tea and coffee, but least amounts of fruit juices, refined grains, potatoes. sugar sweetened beverages, sweets and desserts, animal fat, dairy, egg, fish or seafood, meat and other animal-based foods.

The healthy Mediterranean diet consists of high amounts of vegetables (excluding potatoes), fruit, whole grains, nuts, legumes, fish and least amount of red and processed meat and alcohol.

The study published in JAMA Internal Medicine.

一項對美國兩項研究的舊數據進行的新研究表明,食用替代植物性飲食或替代地中海飲食可以將因心血管疾病、癌症和呼吸系統疾病導致的過早死亡風險降低 20%。

健康的植物性飲食包括大量的全穀物、水果、蔬菜、堅果、豆類、植物油、茶和咖啡,但少量的果汁、精製穀物和土豆。 含糖飲料、糖果和甜點、動物脂肪、乳製品、雞蛋、魚或海鮮、肉類和其他動物性食品。

健康的地中海飲食包括大量蔬菜(不包括土豆)、水果、全穀類、堅果、豆類、魚以及最少量的紅肉和加工肉類和酒精。

該研究發表在 JAMA Internal Medicine 上。

 

NEWS RELEASE 

Variety of healthy eating patterns linked with lower risk of premature death

Peer-Reviewed Publication

HARVARD T.H. CHAN SCHOOL OF PUBLIC HEALTH

Boston, MA—A variety of healthy eating patterns are linked to reduced risk of premature death, according to a new study led by Harvard T.H. Chan School of Public Health researchers. They found that participants who scored high on adherence to at least one of four healthy eating patterns were less likely to die during the study period from any cause and less likely to die from cardiovascular disease, cancer, or respiratory disease, compared with people with lower scores. The findings are consistent with the current Dietary Guidelines for America, which recommend multiple healthy eating patterns.

“The Dietary Guidelines for Americans are intended to provide science-based dietary advice that promotes good health and reduces major chronic diseases. Thus, it is critical to examine the associations between DGAs-recommended dietary patterns and long-term health outcomes, especially mortality,” said corresponding author Frank Hu, Fredrick J. Stare Professor of Nutrition and Epidemiology and chair of the Department of Nutrition.

The study will be published online January 9, 2023, in JAMA Internal Medicine.

Few studies have evaluated whether greater adherence to the DGAs-recommended dietary patterns is associated with long-term risk of total and cause-specific mortality. The researchers used health data collected over 36 years from 75,230 women participating in the Nurses’ Health Study and 44,085 men in the Health Professionals Follow-up Study. All participants were free of cardiovascular disease or cancer at the beginning of the study and completed dietary questionnaires every four years. Their information was scored based on each of the four dietary pattern indexes (Healthy Eating Index 2015, Alternate Mediterranean Diet, Healthful Plant-based Diet Index, and Alternate Healthy Eating Index). All share key components including whole grains, fruits, vegetables, nuts, and legumes, although other components differ across different eating patterns.

A higher score on at least one of the indexes was associated with lower risk of premature death from all causes, and from cardiovascular disease, cancer, and respiratory disease. Higher scores on the AMED and the AHEI were associated with lower risk of death from neurogenerative disease. The results were consistent for non-Hispanic white, non-Hispanic Black, and Hispanic people.

The current DGAs (2015–2020) recommend multiple healthy eating patterns that can be adapted to individual food traditions and preferences. An updated version of the Guidelines is released every five years by the U.S. Departments of Health and Human Services (HHS) and Agriculture (USDA).

“It is important to evaluate adherence to DGAs-recommended eating patterns and health outcomes, including mortality, so that timely updates can be made,” said Hu. “Our findings will be valuable for the 2025-2030 Dietary Guidelines Advisory Committee, which is being formed to evaluate current evidence surrounding different eating patterns and health outcomes.”

Other Harvard Chan School co-authors of the study included Zhilei Shan, Fenglei Wang, Yanping Li, Megu Baden, Shilpa Bhupathiraju, Dong Wang, Qi Sun, Eric Rimm, Lu Qi, Fred Tabung, Edward Giovannucci, Walter Willett, JoAnn Manson, and Qibin Qi.

Funding for the study came from grant R01HL060712 from the NHLBI. The Nurses’ Health Studies and Health Professional Follow-up Studies are supported by the grants UM1 CA186107, P01 CA87969, R01 CA49449, R01 HL034594, R01 HL088521, U01 CA176726, R01 CA67262, U01 CA167552, R01 HL35464, and U01 H145386 from the NIH. Q. Qi is supported by grants K01HL129892 and R01 HL140976 from the NHLBI and grant R01 DK119268 and R01 DK120870 from the National Institute of Diabetes and Digestive and Kidney Diseases. F. Wang is supported by postdoctoral fellowship grant 897161 from the American Heart Association.

“Healthy Eating Patterns and Risk of Total and Cause-Specific Mortality,” Zhilei Shan, Fenglei Wang, Yanping Li, Megu Y. Baden, Shilpa N. Bhupathiraju, Dong D. Wang, Qi Sun, Kathryn M. Rexrode, Eric B. Rimm, Lu Qi, Fred K. Tabung, Edward L. Giovannucci, Walter C. Willett, JoAnn E. Manson, Qibin Qi, Frank B. Hu, JAMA Internal Medicine, online January 9, 2022, doi: 10.1001/jamainternmed.2022.6117

Visit the Harvard Chan School website for the latest newspress releases, and multimedia offerings.

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Harvard T.H. Chan School of Public Health brings together dedicated experts from many disciplines to educate new generations of global health leaders and produce powerful ideas that improve the lives and health of people everywhere. As a community of leading scientists, educators, and students, we work together to take innovative ideas from the laboratory to people’s lives—not only making scientific breakthroughs, but also working to change individual behaviors, public policies, and health care practices. Each year, more than 400 faculty members at Harvard Chan School teach 1,000-plus full-time students from around the world and train thousands more through online and executive education courses. Founded in 1913 as the Harvard-MIT School of Health Officers, the School is recognized as America’s oldest professional training program in public health.

 

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