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Dandruff is a skin condition that mainly affects the scalp. [1] . Symptoms include flaking and sometimes mild itchiness. [1] [2] It can result in social or self-esteem problems. [4] . A more severe form of the condition, which includes inflammation of the skin, is known as seborrhoeic dermatitis. [1]
From today's featured article. Mckenna Grace (born June 25, 2006) is an American actress. She began her career at the age of five, making her onscreen debut in the sitcom Crash & Bernstein (2012–2014). In 2017, she starred as a child prodigy in the drama film Gifted, a breakthrough for which she received a nomination for a Critics' Choice ...
Alois Alzheimer. Alzheimer's disease ( AD) is a neurodegenerative disease that usually starts slowly and progressively worsens, [2] and is the cause of 60–70% of cases of dementia. [2] [15] The most common early symptom is difficulty in remembering recent events. [1]
Wikipedia is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki.Wikipedia is the largest and most-read reference work in history, and is consistently ranked among the ten most visited websites; as of May 2024, it was ranked fifth by Semrush, and sixth by Similarweb.
Probability theory. In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of its probability density function is. The parameter is the mean or expectation of the distribution (and also its median and mode ), while ...
This is a list of Hypertext Transfer Protocol (HTTP) response status codes. Status codes are issued by a server in response to a client's request made to the server. It includes codes from IETF Request for Comments (RFCs), other specifications, and some additional codes used in some common applications of the HTTP.
This is a list of countries and other inhabited territories of the world by total population, based on estimates published by the United Nations in the 2022 revision of World Population Prospects. It presents population estimates from 1950 to the present. [2]
