Cancer before age 50 is rare, but increasing, in the United States and researchers want to know why.
A new government study provides the most complete picture yet of early-onset cancers, finding that the largest increases are in breast, colorectal, kidney and uterine cancers. Scientists from the National Cancer Institute looked at data that included more than 2 million cancers diagnosed in people 15 to 49 years old between 2010 and 2019.
Of 33 cancer types, 14 cancers had increasing rates in at least one younger age group. About 63% of the early-onset cancers were among women.
“These kinds of patterns generally reflect something profound going on,” said Tim Rebbeck of
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