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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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More than 4.4billion prescriptions were dispensed within the United States in 2016.

Water and salt regulation by isosmotic, hyperosmotic, and hypoosmotic aquatic organisms. Water and salt regulation by isosmotic, hyperosmotic, and hypoosmotic aquatic organisms.
Measures of ocean chlorophyll-a concentrations from part of Atlantic Canada in (a) January 2006, and Measures of ocean chlorophyll-a concentrations from part of Atlantic Canada in (a) January 2006, and
Hand Washing Using Soap and Water Hand Washing Using Soap and Water
A cutaway of a typical water pump showing the long bearing assembly and the seal. The weep hole is ... A cutaway of a typical water pump showing the long bearing assembly and the seal. The weep hole is ...
Waterspouts are tornadoes that occur over warm-water bodies, instead of over land. Waterspouts are tornadoes that occur over warm-water bodies, instead of over land.
The chemical structure of the water molecule facilitates life The chemical structure of the water molecule facilitates life
Video: Deglutition

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