https://www.axios.com/2024/01/17/new-cancer-diagnoses-record-high

"Notably, people aged younger than 50 years were the only...age group[] to experience an increase in overall cancer incidence during [past 30+ years]"

https://acsjournals.onlinelibrary.wiley.com/doi/full/10.3322/caac.21820

Both links say little of what could cause more in cancer in younger people.

ACS study looks back over last 30+ years, up to 2020 ie. not our most recent years.

ACS study seems to note more cancers in digestive system areas - GI, colorectal.

Axios article speculates vaguely "whether...consumption of red meat or ultra-processed food, medication and vitamin use, and obesity are contributing to this shift" - no mention of anything that large corporations could be responsible for, such as pesticides, microplastics, waste chemicals, medicines now widely injected into USA food supply.

Other observers have said, life insurance data supports particular cancer increase after 2021 - not covered by ACS study here - and say that would have to be caused by something that started in 2021 (cough).