It's About More Than Just Willpower.

The American Psychological Association reports that more than 57% of people surveyed want to lose weight, and 50% say they want to live a healthier lifestyle. Despite that, they feel they do not have the willpower to do so, with only one in five achieving those goals.

"It's more than just willpower that is needed to help people live a healthier lifestyle," says T.J. Tsay, medical director at Ageless MD, Tustin, Calif. "People need to know what to do to obtain their goals. People have more willpower than they think if they have a clear plan of what needs to be done."

Here are five Tsay tips for having a healthier lifestyle:

Epiphany. "There needs to be an eye-opening moment that leads to change. Whether it is being diagnosed with coronary artery disease, uncontrolled diabetes, or ending up in the emergency department for a heart scare--that defining moment is where it all begins."

Control the mind. "It is essential to overcome the mental blocks to achieve a healthier lifestyle. Determine what things are holding you back psychologically, and then work through them. Each of those roadblocks can be removed if you do the work to identify them and change the way you think."

Set small goals...