He had a skin condition called vitiligo. Which is white patches all over the body. It's very common in all races. He chose to bleach his skin (white) to match these patches. Although there is a topical medicine that can be prescribed to help this.
A word that describes medication, vitamins pesticides and household cleaners is obviously CHEMICALS. Chemicals are developed to bring utility and somehow comfort to what we do and what we need to do. Drugs and fresheners are chemicals. This is the best answer i could give you hope this helps.
Answer:
Your nails can help determine the oxygen supply throughout your body because it has an affect on your life. Blue fingernails are caused by a low level or lack of oxygen circulating in your red blood cells. This condition is known as Cyanosis.
Explanation:
This means that there is not enough oxygen in your blood