But they also regulate the aggregation of platelets scraps of cells in the bloodstream that help to form clots.

ECONOMIST: An aspirin a day keeps the doctor at bay

Moreover, unlike alcohol, drugs can remain in the bloodstream for 3-4 weeks after consumption long after they could have any effect on driving ability.

ECONOMIST: Road safety

Glucose is absorbed into your bloodstream after you eat, but it can't enter the cells of most of your tissues without the help of insulin a hormone secreted by your pancreas.

CNN: Hypoglycemia

Your brain senses trouble and tells your body to release adrenaline-like substances into the bloodstream the so-called fight-or-flight reflex which increases blood pressure, thus the link to sleep apnea and high blood pressure.

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In fact, one paper Mercola cites, which noted a 71% increase in the prevalence of 19A, also said there had been a dramatic 44% reduction in invasive pneumococcal disease, including pneumonia, meningitis, and bloodstream infections and that includes the increase in 19A. The new vaccine, Prevnar 13, introduced in 2010, protects against the deadly 19A strain, which now appears to be on the wane.

FORBES: A Vaccine Eliminated A Deadly Killer Of Infants. So Why Do Some People Fear It?