The chances of a heart attack decrease after of quitting smoking.

Describe some of the common health conditions associated with air pollution.

What are the components of an effective weight-training program? a. conditioning, progression, generalization, overwork, balance, and recovery b. overload, progression, specificity, regularity, recovery, balance, and variety c. overwork, coordination, motivation, conditioning, regularity, and variety d. consistency, progression, rest, regression, balance, and specificity

How could you find out if that advice is based in scientific evidence?