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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.
As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
![(a) With few ticks, moose retain a brown coat; (b) at high numbers of ticks, moose self-groom, destr](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_38_22_1977554.jpeg)
![A recent study found that female baboons that groom each other are more likely to come to each other](https://biology-forums.com/gallery/47/medium_12359_20_04_12_11_58_37.jpeg)