|
|
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
![The term wasp is typically defined as any insect of the order Hymenoptera and suborder Apocrita that](https://biology-forums.com/gallery/47/medium_12359_29_04_12_6_05_04.jpeg)
![Polyps and polyposis. A polyp is a protruding growth from a mucous membrane lining a hollow organ. I](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_23_54_9689598.jpeg)
![Fibroid tumors, or leiomyomas. Fibroids develop from the uterus to form a variety of hard, round ben](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_31_31_9713214.jpeg)