The is considered the largest, most respected sports medicine and exercise science organization in the world.

a. nchs
b. usda
c. dhhs
d. acsm

(a) is not correct because one does not get increased cholesterol  from lifting weights.(b) is not correct because lifting weights cannot reduce the risk of a hereditary disease.(c) is not correct because back pain isn't a benefit! and plus, if he lifts weights properly, he should not have back pain.(d) is the correct answer because his ligaments will gain mass, making it easier for him to carry heavier weights and he will also be stronger!

There is no best way to cut yourself without hurting yourself. to heal yourself, seek a trusted adult or friend. cutting yourself will only hurt more. hope this answers your question : )