In some societies, women overeat to become plump because large women are considered beautiful, while skinny ones are regarded as unattractive. A woman’s plumpness is also an indication of her family’s wealth. In other societies, by contrast, a fat person is considered unattractive, so men and women eat little and try to remain slim. In many 60 parts of the world, people lie in the sun for hours to darken their skin, while in other places light, soft skin is seen as attractive. People with gray hair often dye it black, whereas those with naturally dark hair often change its color to blond or green or purple.