Steroid abuse: Use of substances containing steroids to increase muscle mass. Steroids can have many side effects when misused, including psychiatric problems, liver tumors, reduction in the size of male genitals, sterility, and heart damage.
Steroid abuse: Use of substances containing steroids to increase muscle mass. Steroids can have many side effects when misused, including psychiatric problems, liver tumors, reduction in the size of male genitals, sterility, and heart damage.
