Both drugs had been previously recommended for approval 14-0 by members of FDA's Anti-Infective Drugs Advisory Committee. The significance of two new antibiotics in four weeks? We've recently been averaging one antibiotic every three years.
More melanin presence in the skin makes the skin appear black, and less melanin will make the skin appear less black. White people have very little melanin synthesized by their skin. So, the color of the races is because of some difference in the quanitity of the melanin pigment in our body. That is all.
Cigarette smoking has also been overwhelmingly linked to accelerated hair loss. Hair can turn grey due to decrease in production of melanin found in hair roots. Melanin gives the hair it color. Some foods are found to help in melanin production while others prevent the production of melanin. Some of the foods that help in melanin production include: