In adolescents can cause growth arrest, and in women generates disorders in their menstrual cycle and masculinization, characterized by growth of facial and body hair, enlargement of the clitoris and thickening of the voice. Finally, It should be noted that although anabolics produce muscle gain do not produce increased strength, endurance or agility, and instead are conditions of liver and brain problems. Addiction to exercise One more risk that run weight lovers is the vigorexia or addiction to the exercise, which is a disorder in which sporting practices are carried out almost irrational and compulsive, regardless of the consequences for health. In the same way as anorexics think they are overweight, no matter how thin they actually are, those who suffer from this evil look at themselves too small, without taking into account that they can have extensive muscle development.