Allergic rhinitis is an allergic reaction of the lining of the nose. Seasonal allergic rhinitis is also called hay fever. Allergic rhinitis occurs when the nose and usually also the ears, sinuses, and throat come into contact with allergy-causing substances. The allergy-causing substances are called allergens. The most common allergens are pollens, molds, dust, and animal dander. Click here to read more...
Homocysteine is an amino acid (a building block of protein) that is produced in the human body. Homocysteine plays many important functions when levels are normal, but may irritate blood vessels, leading to blockages in the arteries (called atherosclerosis), when levels are elevated. Click here to read more...
Overuse injury in a runner most often occurs because of a training error (running too far, too fast, too soon). With every mile that is run, the feet must absorb 110 tons of energy. Therefore, it is not surprising that up to 70% of runners develop an injury every year. You can decrease your risk of injury by following these recommendations.
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Viruses are the most common cause of acute infectious diarrhea (gastroeneteritis) in developed countries, and rotavirus is the most common virus causing this malady. In the United States, rotavirus affects mainly infants between 3 and 15 months of age. Peak incidence is in the winter months and early springtime.
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