More young people are developing cancer, and researchers are still trying to understand why.

Ozempic (semaglutide) carries a boxed warning for thyroid cancer based on animal studies. Here’s what to know about the drug’s cancer risk and what current research shows. Ozempic is a prescription ...

TAMPA, Fla., Feb. 10, 2026 /PRNewswire/ -- With the rapid rise in use of GLP-1 receptor agonist medications such as Ozempic®, Wegovy®, and Mounjaro® for diabetes and weight loss, public concern has ...

This article was reviewed by Lynn Marie Morski, MD, JD. Key takeaways: Semaglutide — the active ingredient in Ozempic® — causes thyroid tumors in rodents. But it’s unclear if this happens in humans.

A recent study found a possible association between severe male infertility and an increased risk of thyroid and colorectal ...

Origin in C cells renders disease calcitonin/CEA-secreting and non–iodine-avid, eliminating therapeutic utility of radioactive iodine and emphasizing early, definitive management. Clinical phenotypes ...

Human cohort studies and meta-analyses have not shown increased incidence of common differentiated thyroid cancers with GLP-1 receptor agonist exposure. Rodent C-cell tumor signals underpin the boxed ...

Men who are infertile have twice the risk of colorectal cancer and three times the risk of thyroid cancer, new research shows ...