Everyone is About to Become Lean and Muscly (new evidence) - YouTube Brad Stanfield (opens in new tab)

chatGPT5.5 paid: In 2004, a baby was reported in Germany who, by any normal measure, seemed extraordinary. Within days of birth he had unusually visible muscles: his thighs and upper arms looked unusually well developed. Doctors checked for disease but did not find an explanation. Genetic testing pointed to the cause: both copies of a gene affecting myostatin function were disrupted. Myostatin is a protein whose role is to restrain muscle growth. In simple terms, it acts as a brake on muscle ...