womenshealthmag.com

P15Jw TIL If you take Plan B and you weigh more than 165 pounds, it won't work as well
698Yl TIL a young woman's head swelled from her usual measurement of 22 inches to 24.8 inches (and the shape of her face changed) after she used hair dye. This was because the hair dye had a chemical in it called PPD (paraphenylenediamine), which can cause serious allergic reactions in certain people.
ep4x5 TIL the "dirt" under your fingernails is most commonly the keratin debris from the underside of the nail, as well as skin cells from the nail bed.