The study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
People who have darker skin have more melanin which is a black or dark brown pigment in the skin. When we are out in the sun our skin produces more melanin, which helps our skin be more resistant in the sun. This is why we tan.
The Atkins diet can cause ketones to build up in your body. It occurs when your body doesn’t have enough sugar/glucose for energy , so it breaks down stored fat, which cause ketones to build in your body.