Of the colors in the visible spectrum, red has the lowest frequency and the longest wavelength. As you move on up the spectrum, wavelengths get shorter. Red has the longes â¦ t spectrum of all visible light. But infrared is even longer and there are many more colors but you can't see them.
1 The average age of patients diagnosed with skin cancer is dropping, from 50 to 40 years old. 2  Approximately 75 percent of damage to your skin from the sun happens by the time you are 20 years old. 3  More than 90 percent of all skin cancer cases are due to overexposure to sunlight.
SKIN CANCER. Skin cancer is the growth of abnormal skin cells that are capable of invading and destroying other cells. It is the single most common type of cancer found in humans. The cause of most skin cancers is unknown, but overexposure to UV radiation (in sunlight) is a risky factor.Basel cell cancer is the most common for skin cancer, it covers 75% of skin cancer. It is the least cancerous however.n the form of skin cancer, basel cells in the epidermis are altered so they don't produce keratin. Also, it spreads invading dermis and subcutaneous layers. On sunexposed areas of the face, shiny dome-shaped lesions develop. The next common areas are the ears, backs of hands, and shoulders and arms.