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.
Mortality rates. 1  The vast majority of skin cancer deaths are from melanoma.6. 2  On average, one American dies from melanoma every hour. 3  An estimated 3,860 deaths from skin cancers other than melanoma and NMSC will occur in the United States in 2017.6- 7.