Harvard Health Content API

As another school year in the shadow of COVID-19 begins and the Delta variant surges, once again parents are concerned about how their children will be affected. National, state, and local guidelines continue to evolve, but the overarching goal is to return to full-time, in-person learning for students wherever possible.

Several companies promote at-home genetic testing to uncover a range of potential health problems (and, in some cases, ancestry traits). Just how useful is this and how do such tests differ from genetic testing a doctor may recommend for medical reasons?

More than half of US adults over 60 have diverticulosis, a condition where part of the wall of the colon bulges outward and forms tiny pouches. Diverticulosis does not cause symptoms, but if a pouch becomes inflamed or infected it becomes diverticulitis, which can be mild or more serious.

Some air pollution levels have inched up in recent years, and accumulating evidence suggests that higher levels of particulates in the air are linked with increased levels of hospitalization for many serious health problems. But we can make choices to help both the environment and our health.

Aortic stenosis is the narrowing of the aortic valve in the heart, which can lead to heart failure if the problem is not identified and treated. Unfortunately, research shows that inequities exist in access to proper diagnosis and care for this condition. Understanding how stenosis is identified and treated can help you receive good care.

Though recently discovered, the endocannabinoid system regulates and controls many of our critical bodily functions. Researchers are investigating the ECS’s role in learning and memory and in hunger, hoping that these avenues of research may lead to new drug discoveries.

Biting bugs are a nuisance and sometimes can spread  illnesses like Lyme disease, Zika, or West Nile virus. To prevent bug bites, take simple precautions and learn how to choose and safely use insect repellents.