Health Information Library

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.

Occurs when one or more bones in the spine weaken and crumple.

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.

A condition in which the arch of the foot is higher than usual.

Use these core-strength exercises to tone your core muscles, including abdominal muscles, back and pelvis.

Golf stretches help promote a more fluid golf swing. And that could boost your game.

Joint protection — photos showing joint protection techniques to avoid hand arthritis pain.