1. Causes and Effects of Performance-Enhancing Drug Use in Teenagers

2. Source 1: Opposing Viewpoints
(Academic)
Search Term

3. Cause 1:
Taking human growth hormone (HGH) promotes the growth of bone and the creation of collagen, increases the number of red blood cells, and stimulates the breakdown of fat.
Cause 1
Effect 1
Effect1:
Human growth hormone has been linked to the development of arthritis, diabetes, and cancer.

4. Make sure MLA 8 is selected

6. Google.com Search
Source 2

7. Source 2: Pediatrics in Review Journal (Internet)
via the National Center for Biotechnology Information (NCBI)
(a branch of the National Institutes of Health)
Cause 2:
Taking anabolic steroids has been shown to increase fat-free mass and muscle strength as well as prohibit muscle breakdown.

8. Effects 2

9. Google.com Search

10. Source 3: ABC News
(Internet)

11. Cause 3:
Taking stimulants increases energy and alertness in addition to increasing blood flow to the muscles.
Effect 3:
Stimulants have been linked to abnormal heart rhythms and palpitations as well tremors and insomnia.