Seamus Works Out for Hours at His Local Fitness Center

Multiple Choice

Seamus works out for hours at his local fitness center with his iPod blasting. Seamus:

A) may be preventing heart disease but causing a later-life hearing problem.
B) is doing the best for all aspects of his health.
C) may be preventing heart disease but causing a later-life vision problem.
D) may be preventing heart disease but causing osteoporosis.