Canadian Medical Association Journal Apr 13 2026 Survivors of cancer in their teen and young adult years are at double the risk of most types of later cancers, according to research from Alberta published in CMAJ ( Canadian Medical Association Journal ) https://www.cmaj.ca/lookup/doi/10.1503/cmaj.251381 . Primary neoplasms - new cancers that develop after an earlier cancer - are a known late effect from previous cancers, often because of the effects of treatment. " When combined with the