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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.
Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.
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.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
![Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t](https://biology-forums.com/gallery/47/medium_33_19_02_12_5_42_32_20702454.jpeg)
![The grand opening of the huge Miraflores lock on the Panama Canal in October, 1914. The locks were b](https://biology-forums.com/gallery/47/medium_6_02_03_16_7_45_22_234071402.jpeg)