Harvard Health Content API

Now that many people have been vaccinated against COVID-19, it feels like things are starting to return to something resembling normal. But because the vaccines have not yet been approved for those under 12, families with children under this age need to be careful and thoughtful as they plan summer activities.

Last year, approximately 1.7 million new HIV infections occurred worldwide, and rates of infection are also rising in parts of the US. While a daily pill known as PrEP can help prevent HIV, two new formulations could make it easier for a broader range of at-risk people to use.

Body mass index (BMI) is a calculation of your size that expresses the relationship between your height and weight as a single number. It's useful for a person to know, but research shows that BMI on its own frequently misclassifies a person's metabolic health.

There are a myriad of apps and programs designed to help people lose weight, but many companies are offering products that go beyond traditional food tracking, taking a mindfulness-based approach to help people understand why they eat the way they do, and how to make beneficial changes to their eating routine.