Fibromyalgia, a chronic pain disorder, has stumped the medical community for many years. This illness frustrates many patients who are in pain since it is complicated to detect, thus its nickname, the “invisible sickness.” Symptoms include musculoskeletal pain, insomnia, fatigue, and some cognitive issues. Even the exact cause of this disease is still a mystery. It stems from a wide array of psychological and physical reasons.

Muscle building training regimens usually vary in men and women due to their different muscle physiology. It is important to know the difference to get the most out of their workout program.