kgienk245gew It can appear in areas not exposed to the sun

Like between your fingers and toes, and on your underarms, butt, and genitals.

It’s booming in older adults, too

Melanoma is also on the rise in Baby Boomers, who didn’t have access to modern sunscreens in childhood.

“Those folks were growing up during the time where people would literally lay out with reflectors and baby oil,” Dr. Lamb says.

For people in their 50s and 60s who had a lot of sun exposure when they were younger, a melanoma diagnosis is the manifestation of genetic mutations to their melanocytes, cells that produce the skin pigment melanin, she says.