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Yoga is a physical activity but also involves mind-body techniques and physiological changes including a decrease in respiratory rate , blood pressure , and brain-wave activity resulting in increased relaxation . But the retired couple know things could change as they move from their 60s into their 70s , so they've bought a " smart '' home in an adult lifestyle community , about a 30-minute drive southwest of downtown Ottawa.The Hyde Park development , in the Village of Richmond , is believed to be Canada 's first smart community for seniors and will soon offer residents 55 and older access to sophisticated , but easy-to-use technologies ranging from bundled Internet , telephone and television services , to on-site and remote security cameras , as well as devices that monitor heart rate , blood pressure and medications . The brainstem controls the reflexes and automatic functions ( heart rate , blood pressure ) , limb movements and visceral functions ( digestion , urination ) . Feelings of anger actually produce physical changes in the body such as increased heart rate , blood pressure , and adrenaline .