At the surface, many people's goals are to lose weight, tone up, feel better, etc. But superficial goals get superficial results that usually fade. Dig a little deeper, and the 'why' is usually unveiled: to be more confident, to be more happy, to feel sexy again.

Food is a lot of people's therapy - when we say comfort food, we really mean that. It's releasing dopamine and serotonin in your brain that makes you feel good.

You need to put what you learn into practice and do it over and over again until it's a habit. I always say, 'Seeing is not believing. Doing is believing.' There is a lot to learn about fitness, nutrition and emotions, but once you do, you can master them instead of them mastering you.

If you think of exercise as a 60-minute commitment 3 times a week at the gym, you're missing the point completely. If you think that going on a diet has something to do with nutrition, you don't see the forest through the trees. It is a lifestyle. I know it sounds cliche, but you have to find things you love to do.

I continually still fight every day for my life, not only still battling mental health problems but battling multiple sclerosis, which also has depression as one of its side effects.

Nurses are an integral component of the health care system, and it is important that we recognize the over 2.7 million registered nurses for the significant work that they do.

While eliminating smallpox and curtailing cholera added decades of life to vast populations, cures for the chronic diseases of old age cannot have the same effect on life expectancy. A cure for cancer would be miraculous and welcome, but it would lead to only a three-year increase in life expectancy at birth.

Our health-care morass is like the problems of global warming and the national debt - the kind of vast policy failure that is far easier to get into than to get out of. Americans say that they want leaders who will take on these problems.