The evidence is very weak establishing a risk of any kind to radio transmission at the levels exhibited in consumer devices. And the risk of cancer specifically is even weaker.

The study mentioned by the person in the above article exposed rats and mice to levels far above any SAR limits, and across their entire body. The study authors themselves say it is not representative of human exposure. And even then, they found that male rats lived longer than their normal lifespans when exposed.

https://tools.niehs.nih.gov/newsreleases/index.cfm/detail/85...

We’d have already seen a massive spike in cancer if it was true.