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.
Skin color is due primarily to the presence of a pigment called melanin, which is controlled by at least 6 genes. Both light and dark complexioned people have melanin. However, two forms are produced--pheomelanin, which is red to yellow in color, and eumelanin, which is dark brown to black.
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: