Separating fact from fiction; a billboard that may promote reckless sex; a teen is brutally attacked on social media; artificial sugars; a virtual attendant gives medical diagnoses; post-workout myths debunked.

An invisible killer; hair loss; probiotic pills and natural probiotics; Dr. Travis' dog gets acupuncture; a shocking viral trend; an essential nutrient.

Mercury in seafood; a young woman is slowly going blind; a mother-son duo become a viral beauty sensation; celebrity health trends; fighting crime with sex toys; an easy swap to double a dose of vitamin D.