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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Davis, Weintraub, and Lasser and the promotion of muscle cell differentiation in fibroblasts by the Davis, Weintraub, and Lasser and the promotion of muscle cell differentiation in fibroblasts by the
Major parts of a cell. Major parts of a cell.
Eukaryotic cell structure Eukaryotic cell structure
Schematic of a flow cytometer. The laser interacts with the cell in the quartz flow cell. Three ... Schematic of a flow cytometer. The laser interacts with the cell in the quartz flow cell. Three ...
CRISPR T-Cell Editing CRISPR T-Cell Editing
The generation, removal, and role of reactive oxygen species (ROS) in cell injury The generation, removal, and role of reactive oxygen species (ROS) in cell injury
Video: Proteins

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