Tag Archives: small

Smoking a small amount of pot may boost sperm and testosterone, surprised researchers find

When Dr. Jorge Chavarro’s team started investigating marijuana’s effects on sperm, they had every reason to believe weed would prove detrimental to “testicular function,” because other studies had said it to be so. Instead, they found the opposite. Men who had ever smoked marijuana had significantly higher sperm concentrations and sperm counts, as well as… Read More »

Big Family, Small Risk of Cancer

Did you grow up in a large family with several siblings? You may remember a lot of chaos, jockeying for your parents’ attention, and complaints about wearing hand-me-downs, but there was probably a lot of love and companionship as well. While that somewhat crowded upbringing might have taught you some questionable life skills—such as eating… Read More »

At Harvard Chan School, nano safety is no small concern

Nanotechnology is booming, and not just in the lab. In recent years, industry has embraced the unique properties of tiny particles in everything from medicine to airplane design to doughnut frosting. Philip Demokritou is an associate professor of aerosol physics and director of the Harvard T.H. Chan School of Public Health’s Center for Nanotechnology and… Read More »