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.

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. When Amira Chowdhury joined a protest in Philadelphia against ...

What you hear first is the pop of deployed flash-bang grenades and the clang of canisters hitting the pavement. A cloud of white powder unfurls, sparking widespread panic through crowds. When tear gas ...

UNDER WHAT circumstances can federal agents use chemical irritants on children preparing for a Halloween parade? On October 28th Sara Ellis, a judge for the federal district of northern Illinois, ...

A rotator cuff tear is a partial or complete severing of the rotator cuff tendons in the shoulder, usually due to injury. A strain is different, as it involves an overstretch of the tendons. The ...

The acetabular labrum is a ring of protective cartilage. It lines the rim of your hip socket (acetabulum). Your acetabular labrum holds your thigh bone securely in the joint, which allows flexibility ...

SALEM, Ore. (AP) — On June 2, Justin LaFrancois attended a protest against police violence and racism in downtown Charlotte, North Carolina, where he planned to livestream the event for his ...

SLAP tear surgery is a procedure used to repair injured shoulder cartilage. It involves making small incisions around the shoulder joint and using specialized instruments to repair or reconstruct the ...

A scientific paper expands on social media reports of sudden onset of periods, spotting and other menstrual peculiarities during last summer’s protests in Portland, Ore. By Heather Murphy At some ...