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Did you know?

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

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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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.

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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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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.

Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
Measles. A photograph of a child stricken with measles, showing the tell-tale sign of the skin rash. Measles. A photograph of a child stricken with measles, showing the tell-tale sign of the skin rash.
Erikson’s Eight Stages of Psychosocial Development Erikson’s Eight Stages of Psychosocial Development
In older adults, higher education is related to higher levels of ego development. In older adults, higher education is related to higher levels of ego development.
Development of allergic rhinitis. Development of allergic rhinitis.
A Sociological Timeline of Major Figures in the Development of Sociological Theory, 1820–1960 A Sociological Timeline of Major Figures in the Development of Sociological Theory, 1820–1960
Video: Erythropoietin (EPO)

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