Gene therapy for restoring muscle lost to age or disease is poised to enter the clinic. But elite athletes
are eyeing it to enhance performance.

Treatments that regenerate muscle, increase its strength, and protect it from degradation, degradation will soon be entering human clinical trials for musclewasting disorders.

Among these are therapies that give patients a synthetic gene, which can last for years, producing high amounts of indetectable, naturally occurring muscle-building chemicals.

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