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Nausea is the feeling of needing to vomit. Various medications are available for treating nausea, including antiemetics and antihistamines. Eating different foods or changing other dietary habits may also help relieve nausea. Nausea has many possible causes, including viruses, pregnancy, and anxiety. The most effective treatment for nausea will depend on its cause. The treatment for nausea and vomiting will depend on the cause, but some medications — known as antiemetics — can help manage the symptoms. There are several over-the-counter options. If these are not effective, a doctor may prescribe a stronger drug. People should take care when using any medications and always: read the directions on the package, follow the instructions regarding how much to take and when, check with a doctor before using any new medication, seek medical advice if they cannot keep the medication down.(Credits: www.medicalnewstoday.com) 

A cancerous mole, or melanoma, is the result of damage to DNA in skin cells. These changes, or mutations, to the genes can result in cells growing rapidly and out of control. Melanoma is a type of skin cancer that occurs when pigment-producing cells known as melanocytes mutate and begin to divide uncontrollably. Melanocytes produce a pigment called melanin. Melanin is responsible for the color of the skin. After exposure to sunlight, melanocytes increase the production of melanin to protect the skin against potentially harmful UV rays. This is why some people may tan after exposure to sunlight. The bodies of people with darker skin naturally produce more melanin than those with lighter skin. This means that people with darker skin have somewhat more natural protection from UV rays. However, it is still possible for individuals with darker skin to develop cancerous moles, so these groups should also take appropriate precautions. Although cancerous moles are less common in people of color, they usually have worse outcomes, as the melanoma that occurs in darker skin types tends to be more aggressive.(Credits: www.medicalnewstoday.com)