|
|
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
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.
Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.
The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.
Vaccines prevent between 2.5 and 4 million deaths every year.
![Lie prone with your head turned to one side. Put your arms out to your sides and bend your elbows at ...](https://biology-forums.com/gallery/27/medium_679044_04_04_17_12_45_52_27435464.jpeg)
![With the rocker arms contacting the base circle of the cam, insert a feeler gauge of the specified ...](https://biology-forums.com/gallery/29/medium_548020_30_05_17_4_38_42_29746333.png)