Linguist, activist and social critic Noam Chomsky is hospitalized in his wife’s native country of Brazil recovering from a massive stroke he had a year ago, she confirmed Tuesday. Valeria Chomsky said ...

Urine is a liquid waste material produced in and excreted by the body. Secreted by the renal tubules, it accumulates in the urinary bladder and is excreted via the urethra. While it is composed of 91 ...

Mental health involves a person's mood, thinking, and behavior — and conditions like depression, anxiety, bipolar disorder, post-traumatic stress disorder, and schizophrenia can each affect a person's ...