I've told you before that dose is everything. Depending on the dose, any substance can be toxic and any substance can be healthy. Paracelsus theorized this in the 1500s. And Arndt and Schultz won the Nobel Prize for proving it at the beginning of the last century. However, it seems that everyone forgets this very basic concept. We still constantly hear about how this substance is toxic and this one is healthy

When you get a bacterial infection, conventional doctors typically give you antibiotics. But when you get a virus, like the common cold, they might still give you antibiotics (even though they won't help). Or they will tell you to rest, drink fluids, and wait it out. There's usually not much they can offer. They tell you to just wait until your immune system takes over.

You can't believe everything you read. That's true just on the face of it. But that's not necessarily how you sell books. There's been a lot of book action on celiac disease and gluten sensitivity in the past few years. Some authors have gone so far as to suggest that these problems are the cause of the epidemic in Alzheimer's disease. But is there any truth in that? If you have gluten sensitivity here's a reason to celebrate tonight. A study published just last month says no.