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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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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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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.

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Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

The Red-bearded Bee-eater Nyctyornis amictus is a large species of bee-eater found in the Indo-Malay The Red-bearded Bee-eater Nyctyornis amictus is a large species of bee-eater found in the Indo-Malay
skeletal muscle consists of a group of fibers held together by connective tissue. It is enclosed in ... skeletal muscle consists of a group of fibers held together by connective tissue. It is enclosed in ...
The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, mitochondria, endoplasmic ... The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, mitochondria, endoplasmic ...
Different types of fog found throughout the United States Different types of fog found throughout the United States
Cardiac Muscle Tissue Cardiac Muscle Tissue
Connective Tissue Covering of Spinal Nerves Connective Tissue Covering of Spinal Nerves
Video: Interpreting a cladogram Animation

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