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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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There are 60,000 miles of blood vessels in every adult human.

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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Jets Created by a Black Hole in a Binary System Jets Created by a Black Hole in a Binary System
Therapeutic index: (a) Drug X has a therapeutic index of 4. (b) Drug Z has a therapeutic index of 2. Therapeutic index: (a) Drug X has a therapeutic index of 4. (b) Drug Z has a therapeutic index of 2.
The paired-image subtraction technique, which is commonly employed in cognitive neuroscience. Here ... The paired-image subtraction technique, which is commonly employed in cognitive neuroscience. Here ...
The Dietary Reference Intakes Are Reference Values for Each Nutrient The Dietary Reference Intakes Are Reference Values for Each Nutrient
The Electronic Transmission and Storage of Medical Records The Electronic Transmission and Storage of Medical Records
The Wind Chill Index. The Wind Chill Index.
Video: Factors that influence muscle tension - Sarcomere length and force, understretched and overstretched

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