1. Negative effects
1.1. Health Problems
1.1.1. physical
1.1.1.1. muscle
1.1.1.1.1. headache
1.1.1.1.2. aching tendens
1.1.1.1.3. increased risk of cancer
1.1.1.2. bone
1.1.1.2.1. joint pain
1.1.1.2.2. increased risk of cancer
1.1.1.3. organs
1.1.1.3.1. damages the liver
1.1.1.3.2. causes heart disease
1.1.1.3.3. strokes
1.1.1.3.4. diarrhea
1.1.1.3.5. vomiting
1.1.1.3.6. headache
1.1.1.3.7. increase risk of cancer
1.1.1.3.8. insomnia
1.1.1.3.9. lead to skin diseases
1.1.1.4. appearance
1.1.1.4.1. outbreak or worsening of acne
1.1.1.4.2. premature balding/ hair loss
1.1.1.5. vascular
1.1.1.5.1. blood clot
1.1.1.5.2. increased risk of cancer
1.1.2. mental
1.1.2.1. mood changes
1.1.2.1.1. depression
1.1.2.1.2. anger
1.1.2.1.3. aggressiveness
1.1.2.1.4. paranoid delusions
1.1.2.1.5. auditory hallucinations
1.1.3. taken as a teenager
1.1.3.1. can stunt growth
1.1.3.2. all of the above
2. Female changes (p&n)
2.1. "positive"
2.2. negative
2.2.1. irregular menstral cycles
2.2.2. increase in hair
2.2.2.1. body
2.2.2.2. facial
2.2.3. change in voice
2.2.3.1. deeper
2.2.3.2. more masculine
2.2.4. inlargement of clitoris
3. appeal
3.1. appearance
3.1.1. more muscles
3.1.2. shorter time period to grow muscles
3.2. emotional
3.2.1. more confident
3.2.2. greater probability for success
3.2.3. "happiness"
4. "Positive" effects
4.1. physical
4.1.1. treatment
4.1.1.1. asthma
4.1.1.2. arthritis
4.1.1.3. some types of breast cancer
4.1.1.4. delayed puberty
4.1.1.5. anemia
4.2. mental
4.2.1. brain injuries
5. male changes (p&n)
5.1. "positive"
5.1.1. endurance
5.1.2. leanness
5.1.3. strength
5.1.4. aid in reduction of fat
5.1.5. decrease of fatigue
5.2. negative
5.2.1. infertility
5.2.2. inpotency
5.2.3. lower sperm count
5.2.4. loss of sexual desire
5.2.5. lower production of testosterone
5.2.6. shunken testis
5.2.7. lower production of androgen
5.2.8. increase of estrogen production
5.2.9. develope characteristics of a woman
5.2.9.1. deposition of fat
5.2.9.2. developement of breast
5.2.9.3. developement of soft tissue
5.2.10. inlarged prostrate