title: Aerobic fitness affects cardiovascular and catecholamine responses to stressors.
mesh_terms: D000328:Adult; D002319:Cardiovascular System / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009638:Norepinephrine / Q000097:blood*; D010809:Physical Fitness; D013312:Stress, Physiological / Q000503:physiopathology*
chemical_list: D009638:Norepinephrine