In an effort to slow the proliferation of synthetic opioid-related deaths, California will begin offering free fentanyl-testing strips to eligible organizations across the state that ask for them, the ...

Using a new skin care product without testing it first can potentially cause allergic contact dermatitis, an inflammatory skin condition in which the immune system overreacts to an ingredient in the ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...