By Dr. Dwight Prentice Editor’s Note: Testosterone is often discussed only in connection with sexual health , but that is a narrow view. Testosterone also influences energy, motivation, muscle strength, mood, metabolism, memory, confidence, inflammation, and healthy aging. When testosterone becomes low, the body may not only lose desire. It may lose drive, strength, mental clarity, and resilience. Introduction: Testosterone Is Not Only About Libido When most people hear the word testosterone, they immediately think about male sexual performance. That is understandable, but incomplete. Testosterone is one of the body’s important hormones, and it affects far more than libido. In 2026, more people are dealing with chronic stress , poor sleep , excess belly fat , blood sugar problems , inflammation, environmental toxins, sedentary living, and poor nutrition. These pressures can disturb hormonal balance and reduce the body’s ability to maintain healthy testosterone levels....