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Using tear gas is a common tactic authorities use to control crowds at protests, and it can have lasting affects on your health. Before you head out to a protest, learn what to do if you encounter it.

A hidden cellular cleanup system may hold the key to healthier tear glands—and new hope for treating dry eye disease.

Tear gas engulfed protesters just steps from the White House last Monday, June 1, forcing peaceful demonstrators to disperse with eyes and throats burning. Many had their hands in the air as they ...

Before the tearing, the choking and the pouring mucus, tear gas burns. It causes searing pain in the eyes, skin, lungs and mouth—or anywhere it touches. “It can be overwhelming and incapacitating. You ...

What Is a Rotator Cuff Tear? A rotator cuff tear is a rip in the group of four muscles and tendons that stabilize your shoulder joint and let you lift and rotate your arms (your rotator cuff). It’s ...

The MCL (medial collateral ligament) is an 8-10 centimeter band of tissue that runs along the inner edge of your knee. It helps keep your knee stable and working properly when you move. The medial ...

Across the United States, as marches over police brutality and the murder of George Floyd have grown in size, protesters have encountered volleys of tear gas. It’s clear that all protests—peaceful and ...

An estimated 5–15% of people have problems with dry eyes, with symptoms including eye redness, stinging, or burning sensation ...

When hip or shoulder pain disrupts your life, the cause could be a labral tear. But what does that mean? Orthopedic surgeon Stephen Aoki, MD, breaks down what a labral tear is, how this injury happens ...

A gluteus tear occurs when one of the tendons that holds your gluteal muscles and bones together partially or completely tears. Your gluteal muscles start at your buttocks and wrap around to the side ...

A retinal tear is a small split or hole in the lining of the back of the eye. The condition is not painful and may not damage a person’s eyesight. However, a torn retina can progress to a retinal ...