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Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

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Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Forms of primary adult glaucoma: (a) in chronic open-angle glaucoma, the anterior chamber angle rema Forms of primary adult glaucoma: (a) in chronic open-angle glaucoma, the anterior chamber angle rema
Poverty comes in many forms. Families who go into debt to buy possessions squeak by month after ... Poverty comes in many forms. Families who go into debt to buy possessions squeak by month after ...
If enough vapor is added to the air to saturate it, a precipitation fog forms beneath the cloud If enough vapor is added to the air to saturate it, a precipitation fog forms beneath the cloud
Distribution and Forms of Precipitation: Graupel and Hail Distribution and Forms of Precipitation: Graupel and Hail
Structures of (a) free and (b) DNA-bound forms of BamHI, with DNA shown end-on, in orange Structures of (a) free and (b) DNA-bound forms of BamHI, with DNA shown end-on, in orange
Examples of drawings in each category of two object forms Examples of drawings in each category of two object forms
Video: Pericarditis

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