|
|
Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
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.
In 1864, the first barbiturate (barbituric acid) was synthesized.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
![Normal development of posture and spinal curves. (A) Toddler: Protruding abdomen; lumbar lordosis. (](https://biology-forums.com/gallery/47/medium_14755_24_09_12_7_41_29_8960395.jpeg)
![Evaluation of a child for cystic fibrosis with a sweat chloride test. Sweat is being collected under](https://biology-forums.com/gallery/47/medium_14755_05_10_12_4_11_17_92651003.jpeg)
![Three standard sizes of cuffs: a small cuff for a child or frail adult; a normal-sized adult cuff; ...](https://biology-forums.com/gallery/47/medium_665046_06_03_17_2_03_11_2633569.jpeg)