|
|
Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.
There are 60,000 miles of blood vessels in every adult human.
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
![Place the tennis balls in a sock on the floor behind you, then lie with the middle of your thoracic ...](https://biology-forums.com/gallery/27/medium_679044_04_04_17_12_45_53_274381933.jpeg)
![Many European Americans are involved in ethnic work, attempting to maintain an identity more precise ...](https://biology-forums.com/gallery/27/medium_660366_14_04_17_2_13_59_27756691.png)