Skeletal muscle contractile function declines with age and age-associated diseases. Although muscle atrophy undoubtedly contributes to this decrease, recent findings suggest that reduced myofilament protein content and function also may participate.
For many people who have fibromyalgia, even the thought of exercising is painful. Yet a new study shows that exercise does not worsen the pain associated with the disorder and may even lessen it over time.
The genetic mutation leading to the developmental disorder "CHARGE syndrome" blocks the maturation of neural stem cells. This finding explains why CHARGE patients suffer from mental retardation and learning disabilities.
Regular exercise is touted as an antidote for many ills, including stress, depression and obesity. Physical activity also may help decrease violent behavior among adolescent girls, according to new research.