The average typing speed is 38-40 words per minute (wpm) for adults  in a professional working environment (despite many incorrect  reports on the web that it is 50-60 wpm).
Chronic Health Effects The following chronic (long-term) health effects can occur at some time after exposure to Mica and can last for months or years: Cancer Hazard * Some Silicas have been shown to cause cancer in animals. The risk of cancer in humans from Mica is unclear at this time.
Unfortunately, NO. Some mica colorants begin with naturally mined mica, but the beautiful colors you see in cosmetics and soaps are created by coating the mica with oxide colorants or FD&C lab colors. Whatâs more, many micas have been deemed unsafe for use in cosmetics. However, since the FDA does not consider soap a cosmetic, soap makers are free to use these micas to color soap.