Exercise and stress reduction.
D000328:Adult; D000368:Aged; D001294:Attitude to Health; D002395:Catecholamines / Q000378:metabolism; D004723:Endorphins / Q000378:metabolism; D006293:Health Promotion; D006801:Humans; D008875:Middle Aged; D005082:Physical Exertion; D012420:Running; D013315:Stress, Psychological / Q000517:prevention & control*; D014481:United States
D002395:Catecholamines; D004723:Endorphins