What are the potential negative effects of using anabolic steroids?

The potential negative effects of using anabolic steroids include: enlargement of the prostate gland, alopecia, oily skin and hair, acne, increased aggression, gynecomastia, masculinization in women, fluid retention, high blood pressure, kidney stones, impotence, reduction of sperm and testicular atrophy, liver dysfunction, alterations in cholesterol levels, premature closure of the epiphysis of long bones, dehydration, electrolyte imbalance, decreased tendon elasticity, hearing dysfunctions, loss of appetite, nausea, vomiting, diarrhea, excessive urine output, thirst, flushing, stretch marks, fainting, irritability, drowsiness, insomnia, confusion, photosensitivity, transient myopia, fever, cyst formation in the liver and kidneys, blood in the urine, elevated glucose concentration in urine, seizures, and decreased heart rate.
The use of anabolic steroids can also lead to long-term dependence or disorders such as muscle dysmorphia.
The effects of anabolic steroids on increasing lean muscle mass are undeniable, but there is no conclusive evidence that they can improve athletic performance.