The ability to lift a weight 12 times or more is not optimal for growing muscle mass. If you can't lift a weight eight or more times you are also not optimally building muscle mass. Generally speaking, the target goal for lifting weights to build muscle is anywhere between eight and 12 reps.
3: opiates, came along in the 19th century..was widely used during the civil war as well..
Sample answer: I personally eat many yellow fruits and vegetables to help lower my risk of cancer but, I should incorporate more green fruits and vegetables because it is very good for your eyes to keep in good condition.