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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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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.

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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Three different ginkgo formulations: tablets, tea bags, and liquid extract. Three different ginkgo formulations: tablets, tea bags, and liquid extract.
Pressure testing the cooling system. A typical hand-operated pressure tester applies pressure equal ... Pressure testing the cooling system. A typical hand-operated pressure tester applies pressure equal ...
A typical engine-driven cooling fan. A typical engine-driven cooling fan.
Flexible cooling fan blades change shape as the engine speed changes. Flexible cooling fan blades change shape as the engine speed changes.
All cooling system hoses should be checked for wear or damage. All cooling system hoses should be checked for wear or damage.
What is the density of 96 mL of a liquid that has a mass of 90.5 g? What is the density of 96 mL of a liquid that has a mass of 90.5 g?
Video: Factors that affect conduction rates (myelination, axon diameter & temperature)

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