Did you know?
It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Cystoscopy. In this procedure, a specialized endoscope with a rigid tube, known as a cystoscope, is
Our Environment
Caregivers’ responses sometimes help a child with strong emotions adapt to the environment.
Human impacts and the built environment
Essential Environment
The Inclusive Classroom: Strategies for Effective Differentiated Instruction