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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

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Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa Mononucleosis is caused by the Epstein–Barr virus. Symptoms of the infectious disease are swollen pa
Mammography. (b) A mammogram. A tumor is visible in this mammogram, indicated by the arrow in the lo Mammography. (b) A mammogram. A tumor is visible in this mammogram, indicated by the arrow in the lo
The posted octane rating in most high-altitude areas shows regular at 85 instead of the usual 87. The posted octane rating in most high-altitude areas shows regular at 85 instead of the usual 87.
Pathways of nitrogen metabolism (purple) in the general pattern of intermediary metabolism Pathways of nitrogen metabolism (purple) in the general pattern of intermediary metabolism
Section of a normal brain (left) and an HD brain (right). The HD brain shows extensive damage to the Section of a normal brain (left) and an HD brain (right). The HD brain shows extensive damage to the
Poison Arrow Frog Poison Arrow Frog
Video: What is Reverse Osmosis?

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