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OCD. Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) [ 3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [ 4] and it is considered to be a type of pica.
Fingernails of a nail-biter. Nail biting, also known as onychophagy or onychophagia, is an oral compulsive and unhygienic habit of biting one's fingernails. It is sometimes described as a parafunctional activity, the common use of the mouth for an activity other than speaking, eating, or drinking. Nail biting is very common, especially amongst ...
Eating too much sugar is associated with many of the leading causes of death in the U.S., including heart disease, certain cancers, and type 2 diabetes, among others. But the key phrase here is ...
The problem doesn't stop at nails, either. Habitual nail-biters often chomp on the skin around their fingers, too, leaving open cuts and abrasions that could easily pick up even more bacteria or ...
Hormones and certain medications can also make pigmented bands in the nails, but be especially watchful for nail cancer symptoms, such as a brown or dark stripe that goes from the cuticle out to ...
Peking Man ( Homo erectus pekinensis) is a subspecies of H. erectus which inhabited the Zhoukoudian cave site in modern northern China during the Chibanian. The first fossil, a tooth, was discovered in 1921, and the Zhoukoudian Cave has since then become the most productive H. erectus site in the world. Peking Man was instrumental in the ...
Pica is the eating or craving of things that are not food. [ 2] It is classified as an eating disorder but can also be the result of an existing mental disorder. [ 3] The ingested or craved substance may be biological, natural or manmade. The term was drawn directly from the medieval Latin word for magpie, a bird subject to much folklore ...
Adipose tissue (also known as body fat or simply fat) is a loose connective tissue composed mostly of adipocytes. [ 1 ][ 2 ] It also contains the stromal vascular fraction ( SVF) of cells including preadipocytes, fibroblasts, vascular endothelial cells and a variety of immune cells such as adipose tissue macrophages.