If you listen to all the so-called experts on nutrition, we can't eat anything. But here's the good news.

We can at least drink one thing, water. Nobody argues against water itself, although some of the experts tell us that it has to be filtered and we shouldn't buy bottled water because it's not well tested and all those bottles are bad for the environment. Maybe I shouldn't even drink the sparkling water that I love. One correspondent told me that it will do terrible things to my body, like...