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Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Organization of the Nervous System Organization of the Nervous System
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Neurotransmitters of the Autonomic Nervous System (2 of 2) Neurotransmitters of the Autonomic Nervous System (2 of 2)
In Falls, Energy Is Transmitted Along the Skeletal System In Falls, Energy Is Transmitted Along the Skeletal System
Risk of Down Syndrome (Trisomy 21) by Maternal Age Risk of Down Syndrome (Trisomy 21) by Maternal Age
Video: PET Scan Animation

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