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Researchers studying

313 healthy Vietnam

veterans have found that

anger, depression and

(5) hostility may increase the risk

for cardiovascular disease,

diabetes and high blood

pressure.

Over a period of ten

(10) years, the men had regular

physical examinations involving a wide variety of medical

tests. They also underwent psychological examinations

using well-established questionnaires to determine their

levels of hostility, anger and depression.

(15) The researchers measured blood levels of a protein

called C3, a marker for the inflammation that is a

risk factor for cardiovascular illnesses. After controlling for

other variables, the scientists found that those in the

highest one-quarter in hostility, anger and depression

(20) showed a steady and significant increase in C3 levels,

while those in the lowest one-quarter had no increase.

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