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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

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To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

A giant squid found at Ranheim in Trondheim 2 October 1954 A giant squid found at Ranheim in Trondheim 2 October 1954
The primate dental formula illustrated for (a) the lower dentition of an Old World monkey and (b) th The primate dental formula illustrated for (a) the lower dentition of an Old World monkey and (b) th
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
Santiago Calatrava, Port Authority Trans Hudson (PATH) station, World Trade Center site. Santiago Calatrava, Port Authority Trans Hudson (PATH) station, World Trade Center site.
The Distribution of the World's Land and Population The Distribution of the World's Land and Population
World population density World population density
Video: Allergic Rhinitis

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