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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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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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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

These species are all at risk of extinction. Species with “slow” life-h These species are all at risk of extinction. Species with “slow” life-h
Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye Much of the dark space between stars, as seen in the sky of the image above, is due to the human eye
Anterior and posterior views of the adult human skeleton Anterior and posterior views of the adult human skeleton
The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust
The distribution of cones and rods over the human retina. The figure illustrates the number of cones ... The distribution of cones and rods over the human retina. The figure illustrates the number of cones ...
Cast of a Fossil Dunkleosteus, with a human to illustrate scale Cast of a Fossil Dunkleosteus, with a human to illustrate scale
Video: Causes of Acne

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