Preventive care Archive

Evidence suggests that people who've had COVID-19 may have some natural protection against the virus, but will have a much stronger immune response if they also get the vaccine.

The FDA wants to pull its support of the health claim that eating soy protein may help reduce the risk of heart disease. The agency proposed the change last fall, citing evidence that questions whether there's any real benefit to heart health. If the FDA goes through with the move, then food makers will no longer be allowed to market soy products with the claim that they can help your heart. But soy won't hurt your heart, and soy does have other benefits.

In recent years alcohol use by older adults has been trending upward, particularly among women. Drinking too much alcohol can have negative consequences on physical and mental health, and age-related changes in the body can place older adults who drink at additional risk.

Stress can affect sleep, mood, and appetite, and the long-term effects of chronic stress have been linked to health issues like cardiovascular disease, obesity, and Alzheimer's disease. A wearable device claims that it can reduce stress and build the wearer's resistance to stressful situations — but how does it work, and can any of its claims be proven?

A detailed look at supplements and their medical use.

Eating a broad variety of fruits and vegetables is a good way to get a sufficient intake of flavonoids, chemicals that contribute to many aspects of health. Now, a study suggests that flavonoid-rich foods may also play a role in protecting memory and thinking as people get older.