Straight from an M.D. who lost 100 pounds with the practice.

All it takes is a few simple tweaks.

The science is in, and this is what you need to know.

How to know if you should ditch the treadmill and start lifting weights.

Here's what actually works (and what totally doesn't).

Change your thoughts, change your body.

A registered dietician explains.

Let's dive into the actual science.

Use one of them or use them all.

If you've been through this, here's my advice.