Makeup
Women have been wearing makeup since at least 3500 BC. The ancient Egyptians, Romans, and Greeks are all known to have worn makeup, often made from deadly chemicals like mercury and lead. Even today, humans worldwide spend around $20 billion on make up every year, and much of it still isn't good for your skin. What drives humanity's obsession with cosmetics? Why have we literally painted ourselves with poison for over 5000 years?
Ironically enough, it might be to look healthier.
A new study, published in PLoS ONE, found that the redness of facial skin can affect how healthy a person looks.…