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 the [...]
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 into trouble [...]