Topic: epidemiology

La Niña weather patterns linked to flu pandemics

A new study co-authored by HSPH’s Marc Lipsitch links the four most recent influenza pandemics (1918, 1957, 1968, and 2009) to the weather pattern known as La Niña. During these periods, the surface temperature in the equatorial Pacific cools and can alter…

Nutrition news: The good and bad of carbohydrates

Walter Willett, Fredrick John Stare professor of epidemiology and nutrition and chair, Department of Nutrition at HSPH, and Frank Hu, professor of nutrition and epidemiology, are among nutrition experts interviewed by the Los Angeles Times on Dec. 20, 2010, on how to…

Nutrition news: Hold the salt, pass the potassium

Too much salt paired with too little potassium may increase people’s risk of mortality, according to a study co-authored by Harvard School of Public Health professor of nutrition and epidemiology Frank Hu. Hu and colleagues found that people with a diet high…

The staggering toll of noncommunicable diseases

October 29, 2013 — Chronic diseases including heart disease, diabetes, and cancer, are the leading cause of death worldwide, with the burden falling heaviest in low- and middle-income countries. A new article by Harvard School of Public Health (HSPH) researchers outlines the…

Study finds early treatment may delay onset of AIDS

New findings suggest that HIV-infected patients may delay the onset of AIDS by starting drug therapy earlier while their immune systems are stronger. Researchers including Lauren Cain, a research fellow at HSPH, recommend that patients start treatment earlier than current US guidelines…

Omega-3s tied to lower risk of irregular heartbeat

People with higher-than-average levels of omega-3 fatty acids in their blood may be roughly 30 percent less likely than those with the lowest levels to develop atrial fibrillation, according to new Harvard School of Public Health research. Atrial fibrillation is a dangerous…

Chef in school kitchens helps students eat healthier

With one in three U.S. children considered overweight or obese, food served in schools is being scrutinized closely. For many low-income students who eat free breakfasts and lunches at school, the cafeteria offerings may represent more than half of their daily calories.…

Prolonged sitting, TV viewing appear to shorten life

Sitting for more than three hours a day may shorten your life by two years, even if you are physically active and don’t smoke, according to a new study by researchers at Harvard School of Public Health (HSPH) and Pennington Biomedical Research…

Vitamin A supplement programs improve child survival

Further research needed on more frequent supplementation and alternative dosing approaches, says HSPH’s Fawzi Vitamin A supplementation is an “important child survival initiative,” HSPH Prof. Wafaie Fawzi and doctoral candidate Andrew Thorne-Lyman wrote in the August 25, 2011 British Medical Journal. Their…

Can brown rice slow the spread of type 2 diabetes?

January 3, 2012 The worldwide spike in type 2 diabetes in recent decades has paralleled a shift in diets away from staple foods rich in whole grains to highly refined carbohydrates, such as white rice and refined flours. Now, a group of…