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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

A simplified pathway for the synthesis of membrane phospholipids at the ER membrane A simplified pathway for the synthesis of membrane phospholipids at the ER membrane
Insertion of membrane proteins into the ER membrane Insertion of membrane proteins into the ER membrane
Water transport in plants Water transport in plants
Differences in the antigen-processing pathways between MHC molecules class I and class II. Differences in the antigen-processing pathways between MHC molecules class I and class II.
Diagram of a cell membrane. The cell membrane is a double layer of phospholipid molecules with ... Diagram of a cell membrane. The cell membrane is a double layer of phospholipid molecules with ...
Transport Across Membranes Transport Across Membranes
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