[548 words] I couldn’t believe what I was hearing. Of course, we say that about a lot of what we hear these days. This time I was in a waiting room where health tips were given on a screen—how to lower blood sugar, getting better sleep and dealing with other common problems. Then a lady gave instructions about riding a bike. Always wear a helmet. Never ride barefoot or with sandals. And, remember that bikes have a chain, so make sure you oil it! That same week some children told me they were not allowed to go outside at school because it was hot and a football player said practice was cancelled because of the heat. Meanwhile we are told that global warming is a real danger and healthy people with a strong immune system are told to wear a mask, stay away from people, and get one shot right…