Though I can't say what you are saying is not true, in the case of electromagnetic issues I think it's the government which is not really doing it job because profit is more important. The NIH already showed that cancer can be caused by 2g and 3g in rats.
We know, unequivocally, that high-power radio waves in certain frequency bands can cause tissue heating (e.g. it isn't ionizing radiation like what you see in UV and beyond, where photons have enough energy to displace electrons and cause unfortunate events, but just that it slightly increases the energy state). This particular study put very high power outputs right beside rats from gestation in the womb to their death, and paradoxically saw that their average lifespan was increased, though there were other cited ailments (which could be simply due to higher lifespan tissue temperature). Ideally you don't have a cell transmitter right beside you from birth to death.
The average exposure is many magnitudes lower. And given that heating is the only scientifically possible outcome, it is a pretty well studied area, but we should surely keep doing more.
The "mice in a microwave" studies wouldn't need to resort to extreme dosages if they could cause cancer with realistic exposure levels. Yet they always resort to extreme dosages. Reading them makes me feel more comfortable around my cell phone, not less comfortable.
The average exposure is many magnitudes lower. And given that heating is the only scientifically possible outcome, it is a pretty well studied area, but we should surely keep doing more.