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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Cyanide works by making the human body unable to use oxygen.
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.