What percentage of all Americans will experience back pain in their future? 20%
40%
80%
100%

What is the main difference between trace elements and the main elements that make up the body? 1) main elements consist of heavier atoms. 2) trace elements are only needed in small amounts. 3) trace elements consist of heavier atoms. 4) main elements are only needed in small amounts.

How do you measure the intake or servings of the different food groups of myplate? grains and protein foods are measured in terms of . intake of fruits and vegetables is measured in terms of . men and women in the range of 19 to 30 years of age must consume at least of fruits.

Write an essay of no less than 200 words on health behaviors, risk factors, and prevention of coronary artery disease (cad) through exercise.