Research Acanthosis nigricans in Wikipedia. Research Acanthosis nigricans in Wikipedia.
Depends on the amount of melanin in each individual. I will say a large percentage of African Americans have a dark pigmentation on their nail bed as opposed to someone of another race who has much less pigmentation. Dark nail beds have been known to show up even in very light skinned African Americans. This phenomenon of dark nail beds is not common to non African Americans.
Yes. Lack of pigmentation make tissues incl eyes more sensitive to sunlight.
Skin pigmentation disorders occur because the body produces either too much or too little melanin. In some cases there are tangible causes.sun exposure.poor nutrition.drug reactions.autoimmune disorder.genetics. In other cases,it is not as clear
Cause there is so much humus (hyoo-mus) in it
Nicotine patches come in three different strengths. There are 21 mg. patches, 14 mg. patches, and 7 mg. patches.
Dark colors absorb more light than light colors because they contain higher levels of pigmentation, which allows them to absorb and retain more light energy. Light colors reflect more light and appear brighter as they do not absorb as much light.
Medals of America sells many things including medals and patches. They carry hundreds of patches from the Army, Navy, USMC and more. Prices for the various patches range in price from $1.95 to $29.95.
Tornado
if it is oxygenated it turns black You drank little too much coffee
that means that you are eating to much salt and can cause a serios problem.
it could be genetics or mainly its cause its mainly hot in their countries and their pretty much out doors alot
Medals of America does not sell patches, only medals and military ribbons. Other patches from similar manufactures can be had in the price range of $3-$8.