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Smoking, Caffeine a Dangerous Combination

Once upon a time, the most dangerous thing that could happen when smoking and drinking coffee is their combined effect on one's attention span while driving a car. A recent multi-tiered study found the combined effect of smoking and caffeine consumption is far more damaging, however. During the first phase of the study, the smoking-caffeine combo temporarily increased stiffness in the aorta, the main artery that moves blood from the heart to the rest of the body. Scientists soon found...