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Blood is approximately twice as thick as water because of the cells and other components found in it.
More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.