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Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

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Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

The nurse needs to inform the patient with impaired vision when a touch is to occur and ask permissi The nurse needs to inform the patient with impaired vision when a touch is to occur and ask permissi
Sprain. A sprain involves damage to one or more ligaments, and is categorized into three degrees of Sprain. A sprain involves damage to one or more ligaments, and is categorized into three degrees of
Damage to the Insula and Smoking Cessation Damage to the Insula and Smoking Cessation
Brain Damage Caused by Stress Brain Damage Caused by Stress
Simulated vision with macular degeneration. Simulated vision with macular degeneration.
People who are color-blind see colors differently. (a) Those with normal vision see the red leaves. People who are color-blind see colors differently. (a) Those with normal vision see the red leaves.
Video: Neural Reflex Arc Animation

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