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A stethoscope is placed over the artery at the elbow. As the pressure in the cuff is reduced, it will fall below that in the artery and a sound as the blood pulses through is heard through the stethoscope. This records the systolic pressure. The same measurement can be taken by feeling the pulse at [...]

So what do we do? Throw up our hands and say it is designed by fate? No. Not every man, whose father gave him a certain set of genes, will develop alcoholism and neither does every child who inherits an allergic tendency develop asthma. Some alcoholics drink that way right from the beginning and get [...]