A gene known as ACTN3 (α-actinin-3) has earned the nickname “the gene for speed,” and it may have an influence on how androgens work through the androgen receptor to maintain muscle mass. Research has ...

Lacking a common protein may affect how muscles respond to testosterone, potentially affecting athletic performance and age-related muscle loss, according to a new study. Subscribe to our newsletter ...

Scientists have discovered a new way to boost muscle strength without the dangerous side effects of traditional androgens. A powerful male hormone called 5α-DHT normally drives bone density and muscle ...

Loss of muscle mass, also called muscle wasting or atrophy, can happen gradually as part of getting older or more suddenly due to underlying medical conditions. Other factors can contribute, like ...

TORONTO — GLP-1 receptor agonists (RAs) have transformed diabetes and obesity management, offering improvements in glycemic control and weight loss and reductions in cardiometabolic risk. But “an ...

Hypertrophy is the medical term for muscle growth. Everyone can build muscle, but not everyone will experience the same gains or speed of muscle growth. Genetics, age, hormones, nutrition, and other ...