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.

My approach to training changed dramatically throughout my experience as one of the trainers on 'The Biggest Loser.' Getting to know each person was an important reminder that to get the body physically fit, you must first get mentally and emotionally 'fit.'

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.

Racism is systemic: It's oppression that's built into the laws, legislation, into the way neighborhoods are policed, and into job opportunities and health care and education.

Growing up, my parents were healthy eaters and starting to run and compete when I was 13, I knew the need to focus on what you need to eat. I remember going to grocery store myself and picking up fresh fruit and knowing early on the right foods to fuel my body.

You have to get the balance right, especially with public health, so that you take the measures that benefit the public's health but without causing people to resent you so that you actually don't cure the ill that you seek to cure.

I work out only with my trainer. And I make sure to do a lot of power training. For me, fitness is more about being on the ground rather than being in a gym.