I Run/Cycle From Time To Time, After Being Hospitalized For Unrelated Reason, Staying Very Hydrated.
There's A Major Problem I've Had Since I Was In School (Gym Class) I Always Get Some Form Of Fatigue
Where The Area From My Nasal Cavity To My Lungs Feel Extremely Cold. A Coach Tells Me It's Just That I Need
Fresh Air, But I Know It's Because I Am Not Too Athletic, Even With A Seemingly Athletic Body.

Any Tips On How To Improve Stamina & Info On My "Condition" Would Be Greatly Appreciated.