In simple terms, foods containing high nutritional value, but low in calories for a certain amount, expressed as a nutrient dense foods. In other words, foods rich in nutrients (vitamins, minerals, proteins and carbohydrates), but with a very low amount of calories. The best example of nutrient-dense foods are apples, peanut butter, strawberries, and broccoli. These foods have a moderate amount
[Extracted from the webpage of www.healthscout.com] A pterygium is a fleshy growth that invades the cornea (the clear front window of the eye). It is an abnormal process in which the conjunctiva (a membrane that covers the white of the eye) grows into the cornea. A pinguecula is a yellowish patch or bump on the white of the eye, most often on the side closest to the nose. It is not a tumor but an alteration of normal tissue resulting in a deposit of protein and fat. Unlike a pterygium, a pinguecula does not actually grow onto the cornea. A pinguecula may also be a response to chronic eye irritation or sunlight. Although pterygium and pinguecula sound like mysterious, arcane diseases, they are actually quite common, usually benign eye conditions. These lesions appear as a whitish-yellowish bump or fleshy "growth" on the exposed conjunctiva. If the bump appears only on the white part of the eye, it is called a pinguecula. If it appears to "grow" onto t...
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