Did not come back to work the following reasons: White

did not come back to work the following reasons: White
First, foods zinc, copper, iron-rich eating.
Bane of black skin to certain foods, copper, iron, zinc, there are drawbacks to be rich in other metals in food. Can be related to the increase in enzyme activity and melanin production in the amount of tyrosine and tyrosine material directly or indirectly in these metals. These foods are the main animal liver, kidney, oysters, shrimp, crab, soybeans, walnuts, black sesame seeds on the raisins.
2, melanin affinity of drugs.
Many drugs need to change the color of normal. Increased melanin, such as chloroquine strong affinity for black skin disease; taken quinine, about the patient's face blue dye spots 10 percent. Sedatives for a long time to become the greatest threat to patients and the skin of the face, neck Hudie Ban, arms, and brownish gray, light blue appeared