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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.

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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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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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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.

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The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Control of the Membrane Potential Control of the Membrane Potential
Early in the twentieth century, when malnutrition was common, companies such as this one advertised Early in the twentieth century, when malnutrition was common, companies such as this one advertised
Mechanism of action of coagulation modifiers. Mechanism of action of coagulation modifiers.
Modification steps (1–4) that occur in maturation of E. coli tRNATyr from its transcript Modification steps (1–4) that occur in maturation of E. coli tRNATyr from its transcript
Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene Predicted polypeptide sequences translated from potential ORFs in the human TUBA3C gene
Propagation of an action potential Propagation of an action potential
Video: Oxygen - hemoglobin dissociation curve & Hemoglobin's affinity with oxygen - acidity

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