Anabolic steroids are increasingly utilized by athletes and bodybuilders for muscle growth and enhanced performance, yet their usage poses significant health risks. High doses and the practice of stacking steroids can disrupt hormonal balance, leading to conditions such as hypogonadotropic hypogonadism, testicular atrophy, and impotence. Liver dysfunction, including severe complications like hepatoma and peliosis hepatitis, is common among users, with some experiencing neuropsychiatric effects such as mood swings and aggression. The history of anabolic steroids spans from the isolation of testosterone in the 1930s to the introduction of various synthetic derivatives, with medical applications in treating hormonal deficiencies and specific health conditions. However, the potential for abuse in athletic contexts has raised ethical concerns, underscoring the need for medical supervision. As research progresses, a balanced understanding of anabolic steroids' therapeutic benefits and health risks is crucial for athletes seeking performance enhancement.This book seeks to address a crucial question: ¿Can anabolic steroids be used safely in bodybuilding and other sports?¿