There has been a great deal of discussion and concern over whether 5G will have higher power emissions, and therefore higher health risks, than its predecessors. The serious debate has become intertwined with a heavy dose of anti-5G conspiracy theory and fake news, but now the FCC has ruled that 5G does not pose new health dangers, and no new rules on RF exposure and limits are required in the USA. The USA has higher limits than many countries, while others, notably Switzerland, have been pre-empting possible tightening of the rules by the European Union or other bodies, by imposing tougher restrictions, which operators complain will make it hard to deploy 5G cost-effectively. The EU is still to publish the…