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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.