Fitness News:
A new study found that while exercise -- in this case, a 16-minute conditioning class -- generally improved womens mood and body satisfaction, women felt even better if the instructor made motivational comments that focused on strength and health instead of on losing weight or changing the appearance of ones body....
Exercise has been touted to build bone mass, but exactly how it actually accomplishes this is a matter of debate. Now, researchers show that an exercise-induced hormone activates cells that are critical for bone remodeling in mice. A study identifies a receptor for irisin, an exercise hormone, and shows that irisin impacts sclerostin in mice, a major cellular regulator of bone structure in humans....
Research in mouse cells identifies defective metabolic pathway in aging immune T cells. The pathway is critical for switching T cells from dormancy into illness-fighting mode. In experiments, researchers restored lagging T-cell function by adding small-molecule compounds. Findings suggest possible mechanism behind weakened immunity common in the elderly....
Contrary to popular belief, there is no reason to avoid exercising in the evening, an analysis of the scientific literature has revealed....
Food craving, the intense desire to eat certain foods, can sabotage efforts to maintain healthy eating habits and body weight, no matter the time of year. However, an examination of 28 current peer-reviewed scientific studies largely substantiates findings that changes in diet, prescription medications, physical activity and bariatric surgery reduce craving....
A new study supports body mass index as a useful tool for assessing obesity and health....