|
|
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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.
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.
![Otitis media. This illustration shows an inflamed tympanic cavity, which is the most common source o](https://biology-forums.com/gallery/47/medium_14755_14_10_12_6_37_46_94012321.jpeg)
![The transition from college to first job can be a triggering situation for new growth in meaning ...](https://biology-forums.com/gallery/27/medium_660366_08_04_17_9_18_49_27548414.jpeg)