VO2 Max is the most accuratemeasure of cardio-respiratory fitness. It measures the maximum amount of oxygen that the body can use in one minute per kilogram of body weight (mL/kg/min). During exercise, the heart rate responds by increasing, as does the delivery of oxygen to the body.
It could be that your house is too cold, or there is something in the air that makes you sick.
Hope that helps :)
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if you want to stay healthy you always have to eat good foods and go to the gym to stay in shape.if you eat good foods like your fruits and vegetables those are good for you body and help you too.
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it really depends on if you have recently had an injury to that hand or possibly over extended it doing an activity that you normally don't do. if there is no known injury you may want to have it checked out by your primary care doctor there's numerous different reasons that would cause the symptoms that you have listed and without more evaluation it would be hard to pinpoint the 3xact cause or how to repair or remedy this problem. more information would be highly appreciated and recommended.