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Frictional alopecia is the loss of hair that is caused by rubbing of the hair, follicles, or skin around the follicle. [1] The most typical example of this is the loss of ankle hair among people who wear socks constantly for years. [2] The hair may not grow back even years after the source of friction has ended.
Lead in the bones, teeth, hair, and nails is bound tightly and not available to other tissues, and is generally thought not to be harmful. [180] In adults, 94% of absorbed lead is deposited in the bones and teeth, but children only store 70% in this manner, a fact which may partially account for the more serious health effects on children. [26]
However hair-loss generally occurs only with low doses; with high doses the thallium kills before hair loss can occur. [6] Thallium was an effective murder weapon before its effects became understood and an antidote (Prussian blue) was discovered. [7] Thallium is often imported for products like optical lenses and electronics.
Changes in hair: You may start to notice thinning, hair loss, brittleness, or dryness. Changes in skin : This often looks like noticeable dryness, flaky, or scaly skin, especially around the eyes ...
Silicones can fight frizz and protect against heat and humidity, but they can also lead to build-up that prevents hair growth. Here's what experts say about when they're worth using.
Hair loss, also known as alopecia or baldness, refers to a loss of hair from part of the head or body. [2] Typically at least the head is involved. [4] The severity of hair loss can vary from a small area to the entire body. [7] Inflammation or scarring is not usually present. [4] Hair loss in some people causes psychological distress. [3]
By targeting the USAG-1 gene, researchers believe that they can help people without a full set of teeth regrow teeth. The team says that humans have a third set of teeth available as buds, ready ...
Traction alopecia is a type of alopecia or hair loss caused by a chronic pulling force being applied to the hair. [1] It commonly results from a person frequently wearing their hair in a particularly tight ponytail, pigtails, or braids with increased likelihood when hair is chemically relaxed as this compromises the hair shaft's tensile strength resulting in hair breakage.