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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.
The familiar sounds of your heart are made by the heart's valves as they open and close.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
![The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.](https://biology-forums.com/gallery/47/medium_33_29_07_11_7_45_50.jpeg)
![Apply effleurage to hamstring muscles with fists from just above the popliteal fossa to the superior ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_12_54_27_330611730.jpeg)
![Straighten the leg and effleurage to quadriceps with forearm. Apply in three parallel strokes from ...](https://biology-forums.com/gallery/33/medium_380798_23_08_17_5_45_17_332431740.jpeg)