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[1] [13] The underlying causes for this disease are extreme poverty, malnutrition, other causes of immunosuppression, underlying infections, and poor oral health. [1] The disease principally affects extremely impoverished and malnourished children between 2 and 6 years old in tropical regions.
Cases have risen dramatically over last decade, according to recent research
Tobacco is the greatest single cause of oral and pharyngeal cancer. Using tobacco increases the risk of oral cancer by 3 to 6 times [19] [9] and is responsible for around 40% of all oral cancers. [20] Smokeless tobacco (including chewing tobacco, snuff, snus) also causes oral cancer. [21] [22] [23] Cigar and pipe smoking are also important risk ...
The main symptoms of dandruff are an itchy scalp and flakiness. [11] Red and greasy patches of skin and a tingly feeling on the skin are also symptoms. [12] Dandruff and dry scalp are often confused since they share many of the same symptoms, but their causes and treatment are different. [13]
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Head and neck cancer is a general term encompassing multiple cancers that can develop in the head and neck region. These include cancers of the mouth, tongue, gums and lips (oral cancer), voice box (), throat (nasopharyngeal, oropharyngeal, [1] hypopharyngeal), salivary glands, nose and sinuses.
Mild seborrhoeic dermatitis of the scalp may be described in lay terms as dandruff due to the dry, flaky character of the skin. [6] However, as dandruff may refer to any dryness or scaling of the scalp, not all dandruff is seborrhoeic dermatitis. [6] Seborrhoeic dermatitis is sometimes inaccurately referred to as seborrhoea. [4]
These investigations show that the M. globosa is the species that causes most skin disease in humans, and that it is the most common cause of dandruff and seborrhoeic dermatitis (though M. restricta is also involved). [6] There can be as many as ten million M. globosa organisms on a human head. [4]