Millennials and Generation Xers are at higher risk of 17 cancer types compared to Baby Boomers, as per a new report in The Lancet. Factors such as obesity, poor diet, and lifestyle habits are linked to rising cancer rates among young people. Recommendations to reduce risk include quitting smoking, maintaining a healthy weight, eating well, staying active, limiting alcohol, and protecting skin from the sun. Symptoms to watch for include coughing, changes in bowel habits, bloating, bleeding, lumps, moles, unexplained weight loss, and various pains.