"Testosterone is an androgen hormone that plays a key role in development, particularly in boys during puberty. Its effect on muscle isn't simply about how much of it you have, but how your body responds to it."
"The amount of testosterone in your system, and the number of androgen receptors in your muscles, act like docking sites, allowing the hormone to exert its effects on muscle mass."
"For most of our adult life, natural fluctuations, or changes we see with exercise and diet, are subtle. Testosterone does have a clear impact at the extremes."
"Building muscle still comes down to the fundamentals: consistent training, adequate nutrition and time."
Testosterone is crucial for muscle development, particularly during puberty. Its effectiveness depends on the amount present and the number of androgen receptors in muscles. Genetics largely determines receptor quantity, while lifestyle factors like exercise can influence their function. Natural variations in testosterone levels typically do not significantly affect muscle mass for most adults. Extreme cases, such as anabolic steroid use or medical conditions like hypogonadism, can lead to notable changes in muscle mass. Ultimately, muscle building relies on consistent training, proper nutrition, and time.
Read at www.theguardian.com
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