Testosterone is a steroid hormone that is essential for muscle development and strength, bone health, sexual function, overall energy, and athletic performance. Although both men and women produce testosterone, women normally have very little of this hormone - a fraction of the amount that men typically have. However, having too much or too little testosterone can cause problems. Excess testosterone decreases the levels of HDL (good) cholesterol, affects heart health, and impairs sexual and ...

  Why is iron important to the body? The human body requires iron to perform many vital physiological functions. For instance, iron is the key component of hemoglobin that allows red blood cells to transport oxygen throughout the body, and it plays a key role in cell growth and differentiation. According to the World Health Organization, up to 80% of the people in the world may be iron deficient. Premenopausal women, particularly those who exercise regularly, face a great risk of iron ...