Investigation Exposes America's Growing Cancer Crisis And Reveals Where It's Worst A growing cancer crisis is gripping younger generations across the United States as increasing numbers of Americans in their 20s, 30s and 40s are being diagnosed with diseases once overwhelmingly associated with older adults , according to an analysis conducted by the Daily Mail .
A 2025 National Cancer Institute study identified 14 types of cancer with rising rates among Americans under 50, while alarming new maps reveal where the disease is striking hardest. Roughly three out of four Americans diagnosed with colorectal cancer before age 50 already have advanced-stage disease , according to the American Cancer Society's 2026 statistics .
Colorectal cancer rates among adults ages 20 to 49 have been climbing approximately 3% annually, while rates among Americans 65 and older have been falling.