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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.