For nearly 20 years, Kathy Smith's message of health and fitness has improved the quality of life for millions of people around the world. By inspiring, motivating and educating us to lead healthy lifestyles and by making fitness accessible to consumers, she has become America's foremost fitness expert.

Each week, Smith touches on a broad range of topics, from exercise to food to positive attitude. Among recent topics:

• How to get fit fast

• What fats are actually good for the body

• How to be beautiful at any age

• Taking energy from the power of life's small joys

• How to work out when you don't have any time at all