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Author Question: Tina Swenson is a 33-year-old attorney who has had a persistent cough and dyspnea for a few weeks. ... (Read 21 times) |
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.
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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.
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.