20-30, ACTIVITY, ADULT, ALICE, ALONE, ANGINA, BLOWING, BREAK, BREATH, BREATHLESSNESS, BSIP, CHEST, DEFICIENCY, EFFORT, EUROPEAN, FROM, HEART, HUMAN, MALE, MAN, OUTDOORS, PAIN, PARK, PERSON, PHYSICAL, RESPIRATION, RESPIRATORY, SPORT, SUFFERING, THORAX, YEARS,