• Low sex drive
• Erectile dysfunction (i.e., the inability to get or keep an erection)
• Low sperm count
• Reduced muscle mass and strength and increased fat mass
• Low bone density (i.e., osteoporosis)
• Loss of body hair
• Gynaecomastia (i.e., enlargement of breast tissue)
• Sleep disturbances
• Reduced energy, depressed mood, and trouble concentrating