Michael Roizen, M.D., is the author of the New York Times bestseller RealAge: "Are You as Young as Young Can Be." Your RealAge is the biological age of your body, based on how well you've maintained it. While your chronological age is fixed, your biological age may be years older-or younger-depending on any combination of more than 136 factors that effect your rate of aging.

Take the quiz below to get an idea of how your RealAge is effected by the food you eat.

1. How often do you eat breakfast?
A. More than 5 times a week
B. 4 or 5 times a week
C. 2 or 3 times a week
D. Less than 2 times a week
E. Does eating last night's cold pizza count as breakfast?

2. How often do you drink a glass of 100% Florida Orange Juice?
A. More than 5 times a week
B. 4 or 5 times a week
C. 2 or 3 times a week
D. Less than 2 times a week

3. How many ounces of nuts do you eat a week:
a. 5 or more
b. 3 to 4
c. 1 to 2
d. Less than 1

4. How many portions of non-fried fish, excluding shellfish, do you eat a week (a serving equal to a pack of cards is a portion):
A. More than 2 portions a week
B. Some, but less than 2 portions a week
C. None

5. How many servings of colorful fruit and vegetables do you eat on average per day:
A. 9 or more
B. 7 to 8
C. 4 to 7
D. 2 to 3
E. Less than 2

Copyright: MFRoizen, 10/24/2004