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People across America are lining up for flu shots, purchasing cold and cough medications, and researching which antibiotics that may need this winter.Despite all this elaborate planning, there are surprisingly few men and women who recall two of the very low technology staples that can be first line defenses against seasonal illness: Exercise and Beta Glucan oat fiber (ß-glucan).Both moderate exercise and Beta Glucan have long been thought to increase immune system function, and so protect against infection...

To begin with, vigorous exercise is in fact stressor itself.On a concrete level, exercise causes the small muscle fibres to really tear, and then grow back stronger as they cure.Not just relaxing for the muscles in question! Quite apart from that, one study demonstrated anxiety levels rise from the first 5-10 minutes of exercise as adrenaline - one of the main stress hormones - kicks in.So how is it that exercise reduces our stress and anxiety levels over time?The quick answer is that while exercise is a short-term stressor, lack of exercise is a long-term one...