Audrey Carlsen

Wild animals use all sorts of plants and natural substances to ward off illness. There are chimpanzees that eat leaves to purge parasites and bees that coat hives with resin to beat back bacteria.

For the hearing-impaired, sounds are quieter, but they can also be fuzzier and maddeningly distorted. Listen to these audio clip simulations of what that kind of hearing loss sounds like.

Critics argue that wind turbine syndrome is a fictional malady perpetuated by people angered by the turbines in their communities. Now experts are weighing in on whether it could be real.

In a 16-year study, adults who ate fish regularly lived longer and were less likely to die of heart disease, bolstering doctors' recommendations to eat one to two servings of fatty fish per week.

Acting out dreams in your sleep may put you at risk for developing dementia, researchers say. The behavior may portend Lewy body dementia, the second-most common form of dementia among older people.

Some people with a rare neurological condition known as synesthesia can taste shapes or smell color. And when these people work in the food industry, it can radically redefine flavor profiles.

Can eating a banana counter the effects of caffeine? That claim has been circulating around blogs recently. Some baristas swear by it, but we talked to a scientist who explains why it just isn't true.

Autistic children may find it easier to socialize with people in the presence of animals. A study suggests that animals could help autistic children connect with therapists, teachers and their peers.

By examining ancient dental plaque, researchers have found that prehistoric diets made for healthier mouths. The addition of flour and sugar to modern diets may have set the stage for oral disease.

The fallout from Cold War bomb tests is shedding light on why the Achilles tendon heals so poorly after injuries.