Harvard Health Content API

Intrusive thoughts are unwanted thoughts or mental images that make people feel uncomfortable. They’re common, affecting some six million Americans and can be effectively managed using tools such as cognitive behavioral therapy. They can be associated with mental health disorders such as obsessive-compulsive disorder or post-traumatic stress disorder, but many people who experience them don’t meet the criteria for a mental health disorder. The thoughts may be triggered by stress or anxiety.

Per- and polyfluoroalkyl substances (PFAS) are a group of thousands of manmade chemicals that are widely used in products such as nonstick pans, stain repellants for furniture and carpets, cosmetics, and industrial products. These compounds are dangerous to human health and may lead to immune system problems and increased risk of certain cancers. Avoiding exposure by filtering water and choosing PFAS-free products can help to reduce those risks.

Pumpkins are a good source of nutrition and can be used like a vegetable in many meals, even though they are technically a fruit. The soft flesh of the pumpkin is high in vitamin A and potassium, and contains 3 grams of fiber per cup when cooked. It’s also low in calories, has no fat and no sodium, and is high in beta carotene, an antioxidant that is converted by the body into vitamin A. Foods that act as antioxidants may bring health benefits.

It is possible to get shingles more than once. But getting vaccinated with the Shingrix vaccine may help prevent this from occurring.

COVID-19 infections may raise the risk of developing diabetes, because the virus can damage insulin-producing cells in the pancreas.

A study published June 29, 2021, by the Journal of the American College of Cardiology (JACC) found no link between statin use and a higher incidence of dementia in adults ages 65 and older, but other studies have described possible cognitive changes related to statin use. Experts say that the benefits of taking a statin for people who have risk factors for cardiovascular disease generally far outweigh the risks. Statin use can reduce the risk of a heart attack or stroke by 25% to 30%.

People who suffer from chronic migraines could find relief by increasing their intake of the omega-3 fatty acids EPA and DHA, found in fatty fish like salmon, herring, sardines, mackerel, and trout.

A 2021 analysis found that adults ages 50 and older who took an ACE inhibitor such as lisinopril or an ARB like candesartan that crosses the blood-brain barrier scored higher on memory recall tests after three years on the medication, when compared with those who took a different drug in the same class that doesn’t cross over.

The number of Crohn’s disease and ulcerative colitis cases among older adults has increased every year over the past decade. While all racial and ethnic groups were affected, the most significant annual percentage increase was among non-Hispanic Black individuals.

It’s thought that the average person uses just 10% of the brain. While some parts of the brain may be more active at any given time or during a particular activity, there is no part that is known to be unused or completely unnecessary.