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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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.
As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
![Carnivorous plants, such as this pitcher plant (Sarracenia purpurea) are commonly found in bog habit](https://biology-forums.com/gallery/47/medium_33_28_08_11_12_17_00_16001526.jpeg)
![Traction is the application of a pulling force to maintain bone alignment during fracture healing. D](https://biology-forums.com/gallery/47/medium_14755_24_09_12_7_49_31_8986303.jpeg)