Topic: epidemiology

Prostate cancer: To screen or not to screen?

August 20, 2013 — For the past 25 years, a prostate cancer screening test called Prostate-Specific Antigen (PSA) has offered the hope of reducing deaths from prostate cancer by catching the disease early when cure is possible. But recent findings have raised…

Adaptability key to success of cohort studies

December 17, 2013 – With federal research dollars declining, investigators must think of creative and flexible ways to keep their long-running cohort studies running and funded, said Bruce M. Psaty, professor of medicine and epidemiology at the University of Washington, at the…

Pinpointing health risk factors: tricky business

Pinpointing associations between risk factors and particular health effects is tricky, says Karin Michels, associate professor of epidemiology at Harvard School of Public Health and associate professor of obstetrics, gynecology, and reproductive health at Harvard Medical School. That’s because there are typically…

Heart disease: A little exercise goes a long way

Even a small amount of exercise may significantly lower your risk of getting heart disease, according to a new study conducted at the Harvard School of Public Health (HSPH). A team led by Jacob Sattelmair, who did the research while a doctoral…

Selenium-rich diet may lower type 2 diabetes risk

People with high levels of selenium in their bodies were found to have as much as a 24% lower risk of developing type 2 diabetes than those with the lowest levels of the mineral, according to a new study from Harvard School…

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…