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Excessive alcohol use costs the country approximately $235 billion every year.

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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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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

A single-gene model explains Mendel’s ratios A single-gene model explains Mendel’s ratios
Single-Cell Model Single-Cell Model
How to apply integration by parts on a single function How to apply integration by parts on a single function
The RecA strand exchange reaction as shown from single-molecule studies The RecA strand exchange reaction as shown from single-molecule studies
Some Single-Gene Defects for Which Genetic Tests Some Single-Gene Defects for Which Genetic Tests
Identical twins (monozygotic twins) have the same sex and share a single genotype. Identical twins (monozygotic twins) have the same sex and share a single genotype.
Video: Stretch reflex & Tendon reflex

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