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 is when the skin cells begin to abnormally grow beyond the normal boundaries of their design. Any abnormal growth of skin cells is considered skin cancer, but only two are considered malignant. Skin cancer can be categorized into 3 main types: Basal cell carcinoma. Squamous cell carcinoma. Melanoma.