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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

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Thyroid conditions may make getting pregnant impossible.

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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

European Rabbit in Shropshire, England, infected with myxomatosis, a disease caused by the Myxoma vi European Rabbit in Shropshire, England, infected with myxomatosis, a disease caused by the Myxoma vi
Changes in bronchioles during an asthma attack: (a) normal bronchiole, (b) inflammation obstructing ... Changes in bronchioles during an asthma attack: (a) normal bronchiole, (b) inflammation obstructing ...
A rectangular-shaped fuel rail is used to help dampen fuel system pulsations and noise caused by ... A rectangular-shaped fuel rail is used to help dampen fuel system pulsations and noise caused by ...
Genetically determined innate immunity due to the species specificity of some infections, due to ... Genetically determined innate immunity due to the species specificity of some infections, due to ...
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Video: Egg and Sperm Formations in Animals Animation

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