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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
![The rotifer, Brachionus calyciflorus, is a large predator that consumes the smaller algae, Chlorella](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_35_26_1970654.jpeg)
![The Red-bearded Bee-eater Nyctyornis amictus is a large species of bee-eater found in the Indo-Malay](https://biology-forums.com/gallery/47/medium_12359_29_04_12_6_13_00.jpeg)