Answer:

TOXINS

Answer	Crossword Clue
TOXINS	Black widow secretions
TOXINS	Snake venoms, e.g.
TOXINS	They're poison

TOXINS	Poisons
TOXINS	Pollutants
TOXINS	Dangerous proteins
TOXINS	Lethal substances.
TOXINS	Antibody producers
TOXINS	Cobra products
TOXINS	PCBs, e.g.
TOXINS	Targets of a so-called "juice cleanse"

TOXINS	Poisonous substances
TOXINS	They're sickening
TOXINS	Targets of cleanses
TOXINS	What juice cleanses are supposed to get rid of
TOXINS	Targets of a cleanse