- Q How do I choose a personal trainer?
Dr. Michael Roizen, Internal MedicineThe best way to choose a personal trainer is to get suggestions for good trainers from friends or colleagues. Then, ask that trainer for his or her references, and call one or two. While this may seem like a lot of work, remember that your health is in... Full Answer
- Q Is muscle heavier than fat?
Dr. Mehmet Oz, CardiologyMuscle is like a heavyweight prizefighter—not just in its ability to clobber fat, but also because it's literally heavy. When people start to exercise and eat healthier, their initial reaction is typically one of frustration—because it seems... Full Answer