Symposia IX: Physical Activity is Necessary for Optimal Brain Function Researchers will discuss mechanisms of
protective effects of exercise and physical activity in neurological function, and prevention of cognitive decline and dementia.
Not exact matches
Vitamin C does not prevent the common cold, although it may have a
protective effect during intense cold - weather
exercise and may reduce the duration
of colds.
Researchers are still determining precisely why
exercise has this
protective effect, but it's believed to be due to a combination
of the various physical as well as social benefits
of exercise.
A study
of exercised rates by McRae et al at University
of Texas indicated that physical
exercise has a
protective effect on D2 dopamine receptors, whilst keeping levels
of dopamine (DA) and dopamine metabolite (DOPAC) low.
Moreover, glutamine supplementation has a
protective effect in the DNA fragmentation, mitochondrial membrane depolarization and apoptosis, and in regulation
of the inflammatory process and immune suppression, which are induced by a single session
of exercise.
But regardless
of how serious we should take the suggestions that endurance
exercise may be bad for your heart, one conclusion you can draw from these studies is that endurance
exercise, especially extreme or ultra-endurance
exercise such as marathons or Ironman, does not seem to have all the cardio -
protective effects that we might expect, especially if you already have pre-existing heart issues.
A number
of studies have looked at the relationship between
exercise and prostate cancer, and while most have pointed to a
protective effect, about one - third have found no association.
After controlling for other determining factors and considering the interaction
of time and patterns
of exercise, the results indicated that only persistent patterns (pattern YY) reveal a significant
protective effect from higher levels
of depressive symptoms, regardless
of exercise type (OR = 0.58, 0.56, 0.67, 0.62, respectively, all p < 0.05).
Only the persistent patterns
of exercise (pattern YY) revealed a significant
protective effect from higher levels
of depressive symptoms.