NEW YORK (Reuters Health) - Taking vitamin C can blunt the body's response to
endurance training, a new study in humans and rats shows. Based on the findings,
"the common practice of taking vitamin C supplements during training (for both
health-related and performance-related physical fitness) should be seriously
questioned," principal investigator Dr. Jose Vina of the University of Valencia
in Spain and colleagues conclude.
January 23, 2008 - One of the largest studies ever to link exercise
capacity to mortality risk should motivate physicians to pay as much attention
to patients' exercise capacity as they do other major risk factors, researchers
say
Myostatin is a negative regulator of
skeletal muscle hypertrophy, meaning that it inhibits muscle growth. Thus, a
myostatin mutation can cause massive muscle growth. According to the recent
news story by the Associated Press, a 19-month-old boy "suffering" from
myostatin mutation already posses superhuman strength and ripped abs.
Myostatin is a negative regulator of
skeletal muscle hypertrophy, meaning that it inhibits muscle growth. Thus, a
myostatin mutation can cause massive muscle growth. According to the recent
news story by the Associated Press, a 19-month-old boy "suffering" from
myostatin mutation already posses superhuman strength and ripped abs.
3-acetyl-7-oxo-dehydroepiandrosterone,
or 7-keto, is a nonandrogenic derivative of DHEA. Promotional literature
suggests it increases you body's ability to burn calories. 7-keto appears to
induce enzymes in the mitochondria of cells that increase thermogenesis
(production of heat).
Research and Review 
