A small study by UCI researchers found that botox injections to a person’s forehead may alter the way their brain interprets and processes other people’s emotions. Apparently, when people see a happy or angry face, they unconsciously mimic that expression. But because botox prevents that muscle reaction, it scrambles the brain’s ability to interpret other people’s facial expressions. On the flip side, other research has found that an inability to frown may help patients suffering from depression.

Read the Nature Scientific Article here.