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Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

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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.

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There are 20 feet of blood vessels in each square inch of human skin.

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Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Local and long–distance cell communication in animals. Local and long–distance cell communication in animals.
Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
Place Value Board Place Value Board
Subsurface mining takes place in underground tunnels Subsurface mining takes place in underground tunnels
Epiphyseal Plate in Long Bone Adolescent bone growth takes place along the epiphyseal plate Epiphyseal Plate in Long Bone Adolescent bone growth takes place along the epiphyseal plate
How to calculate the DRT to determine which is more effective against the pathogen How to calculate the DRT to determine which is more effective against the pathogen
Video: Olfaction. or the sense of smell

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