• It's dangerous to have faith in what you do not control. But your own reasoned choice? Well, for now that is in your control. Therefore it is one of the few things you can have confidence in. It's the one area of health that can't suddenly be given a terminal diagnosis. It's the only one tha...

We're all different. If we are all on the same weight-loss diet, there will be various outcomes. Some people will lose a lot, some will lose a little, and a few will even gain weight.

Science still can't tell us why some people lose weight easier than others.

• The non-mirror-style self. We are used to seeing ourselves mirror-style. When you move your left hand, it will always be flipped when you view yourself in a mirror. On Zoom, you lift your left hand, and the opposite side moves on Zoom. This feels disorientating. Thankfully,...