Share to ClassroomStudies Link Bad Sleep to Cancer Risk
Two big American studies say that bad sleep can raise cancer risk in young adults. The studies looked at over 18 million people aged 18 to 50. More than 413,000 of them had insomnia. Insomnia means trouble sleeping. People with insomnia were three times more likely to get cancer in five years.
Cancer in young adults is rising around the world. Women with insomnia had three times the risk of breast cancer. They also had higher risks of uterine and ovarian cancer. Both men and women with insomnia were twice as likely to get bowel cancer.
But the studies do not prove that bad sleep causes cancer. Experts say more research is needed. For now, people can lower cancer risk by not smoking and staying healthy.
