Health Information Library

This type of hearing loss involves the brain. Learn about ways that can help people with the condition hear better.

A condition that makes it hard to understand speech.

A buildup of acid in the body.

Elevated levels of certain waste products in the blood.

Fluid that leaks from wounds as part of the healing process.

A condition in which lactic acid builds up in the blood faster than it can be removed.

An injury of the Achilles tendon, which joins the calf muscles to the heel bone.

Hydroxychloroquine does not treat coronavirus disease 19 (COVID-19) or prevent infection with the virus that causes COVID-19.

A condition in which small blood vessels leak blood into the skin, joints, intestines, or organs, that may be caused by certain disorders or aging.

A large, blue or purple bruise under the skin that changes color over time before fading.

These exercises can improve balance and help prevent falls. See how they're done.

A disorder causing inflammation and bleeding in the small blood vessels.

A higher than usual level of disease-fighting white blood cells called eosinophils.

An inflammation of a thick band of tissue that connects the heel bone to the toes.

Condition that causes blood to clot throughout the body's blood vessels.

A painful knee condition often caused by running long distances.

A patchwork of inflamed skin on a baby's bottom that's known as diaper rash.

A condition that makes the skin look and feel rough, itchy, flaky or scaly.

Physical discomfort of the shoulder, including the joint itself or the muscles, tendons and ligaments that support the joint.

Find ways to stretch safely with this guide.