International Standards In recognition of the potential benefits of some forms of work, international law does not prohibit children from working

5 Factors that increase the risk of developing black hairy tongue Poor oral hygiene Smoking or chewing tobacco, alcohol, illicit drugs Certain medications 6 : antibiotics (like tetracycline), psychiatric medications (especially ones that cause xerostomia), and chemotherapeutic agents Mouthrinses 7 : chlorhexidine gluconate and other oxidizing mouthrinses Systemic illness 8 : immunocompromised patients such as those with AIDS, advanced cancer, graft-versus-host disease, amyotrophic lateral sclerosis, chronic xerostomia, or who have received recent radiation therapy to the head or neck COVID-19 Black hairy tongue should be differentiated from fake black tongue (pseudoblack hairy tongue), which can occur when the tongue becomes stained from coffee/tea, food coloring, or medications that contain bismuth subsalicylate (Pepto-Bismol) Treatment for black hairy tongue Aside from looking scary, black hairy tongue is benign

The Cigarettes and Other Tobacco Products Act (COTPA) of 2003 bans smoking in public places, prohibits the sale of tobacco products to and by individuals under 18 years of age
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