Sure, you know it’s important to eat right. But do you know enough about nutrition to actually do it? Test your knowledge with this short quiz. Select the best answer to each of the following questions. When you’re finished, click the submit button.

1 . Too much caffeine can cause       A.  muscle twitching     B.  sensory disturbances     C.  jumpiness     D.  all of the above   2 . When it comes to iron, women need       A.  less than men     B.  the same amount as men     C.  twice the amount that men need     D.  10 times the amount that men need   3 . Which of the following is not a good source of beta-carotene?       A.  pumpkin     B.  carrots     C.  oatmeal     D.  spinach   4 . Water can help prevent       A.  dry skin     B.  joint stiffness     C.  colon cancer     D.  all of the above   5 . How much fat should be part of our daily calories?       A.  no more than 10 percent     B.  no more than 30 percent     C.  no more than 50 percent     D.  no more than 70 percent   6 . Being overweight can lead to       A.  decreased fertility     B.  early arthritis     C.  sleep disorders     D.  all of the above   7 . In terms of calories, a gram of fat       A.  is equal to a gram of carbohydrate     B.  is equal to a gram of protein     C.  has less than a gram of carbohydrate     D.  has more than a gram of protein   8 . Eating disorders are more likely to occur in women       A.  during puberty     B.  late teens or early 20s     C.  midlife     D.  in their golden years