Portfolio diet may decrease risk of heart disease and stroke
The portfolio diet—a plant-based diet designed to lower unhealthy cholesterol—may lower the risk of heart disease and stroke, according to a new Harvard Chan School study.

Researchers discover associations among PTSD, diet, and the gut microbiome
A new study from Brigham and Women’s Hospital and Harvard Chan School investigated the relationship between PTSD, diet, and the gut microbiome, and found that participants who adhered to a Mediterranean diet experienced decreased PTSD symptoms.

Mediterranean diet high in polyphenols linked with slower biological aging
Eating a Mediterranean or Green Mediterranean diet rich in polyphenols is associated with slower biological aging, according to a new study co-authored by researchers at Harvard Chan School.
Adherence to a Mediterranean lifestyle associated with lower risk of all-cause and cancer mortality
People who adhere to a Mediterranean lifestyle—which includes a diet rich in fruits, vegetables, and whole grains; healthy eating habits like limiting added salts and sugars; and habits promoting adequate rest, physical activity, and socialization—have a lower risk…

Lectin-free diet more risky than beneficial, experts say
In spite of claims that diets eliminating all lectins can cure some health conditions, these claims are not backed by sufficient scientific evidence—and going lectin-free may in fact do more harm than good, according to experts.

MIND diet may reduce risk of dementia
The Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND) diet may reduce the risk of all-cause dementia among middle-aged and older adults, according to a new study led by Harvard Chan School.
Plant-based low-carbohydrate diet linked with lower risk of premature death for people with type 2 diabetes
Following a low-carbohydrate diet comprised primarily of plant-based foods was significantly associated with lower risk of premature death among people with type 2 diabetes, according to a new study led by researchers at Harvard Chan School.

Weighing the benefits of plant protein for human and planetary health
Shifting diets to be more plant-centric is vital for human health and the health of the planet, according to Harvard Chan School's Walter Willett.
Healthy plant-based diets better for the environment than less healthy plant-based diets
Healthier plant-based dietary patterns were associated with better environmental health, while less healthy plant-based dietary patterns required more cropland and fertilizer, according to a new study led by researchers at Harvard Chan School and Brigham and Women’s Hospital.

Opinion: How climate action can improve children’s health
Parents who take action to fight climate change can help improve the lives of their children both now and in the future, according to Harvard Chan School’s Aaron Bernstein.