Federal agents' heavy use of tear gas is raising concern about harmful effects to protestors and neighborhoods. A toxicologist explains what it is and its health effects.
A novel lawsuit in Portland argues the chemicals are a health threat that have soaked into apartment walls, furniture and even children’s toys. By Hiroko Tabuchi Federal agents have fired so much tear ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results