Visit the following sites and answer the questionnaires.

The Keirsey Character Sorter
An online character test (36 questions)

Keirsey Temperament Sorter II
An online personality questionnaire.

The Sixteen Types of Temperament
Understanding the 16 types of temperament.  Look at this site after you've take the Keirsey Temperament Sorter Questionnaire.

HealthCentral - Diet and Nutrition

HealthCentral - Exercise and Fitness

HealthCentral - Stress Management

HealthCentral - HealthView

How Long Can You Expect to Live?