Researchers studied 360 fifth-graders in 2004 and followed up with them in 2007. Approximate ages were 10 to 13.
"I'm sure the parents had more say in [children's] sun behaviors when they were ten years old- applying sunscreen and keeping them out of the sun more," said Dr. Stephen Dusza, lead author and research epidemiologist from Memorial Sloan-Kettering Cancer Center.
"But as they are growing older and developing some more independence, they're making their own health decisions and sometimes those aren't the wisest health decisions," he said.
The American Academy of Dermatology says rates of melanoma, the most deadly form of skin cancer, have been rising for at least 30 years. It is now the most common form of cancer for young adults aged 25 to 29 and is the second most common form of cancer among adolescents and adults aged 15 to 29.
Image: Teenager sunbathing, via Shutterstock.