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Did you know?
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
Did you know?
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
Did you know?
Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
Did you know?
By definition, when a medication is administered intravenously, its bioavailability is 100%.
Did you know?
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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![The grey side-gilled sea slug Pleurobranchaea maculata. The discovery of tetrodotoxin in this slug i](https://biology-forums.com/gallery/47/medium_28062_06_01_13_9_22_08.jpeg)