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Despite common belief that SO 2 was the main source of the asthma, by investigating sulfur dioxide and sulfur trioxide levels in Yokkaichi and analyzing compound toxicity levels, a study conducted in 1984 from Yokohama National University concluded that respiratory diseases were not a result of sulfur dioxide, but rather due to a titanium oxide ...
Sulfur mustard is a vesicant alkylating agent with strong cytotoxic, mutagenic, and carcinogenic properties. After exposure, victims show skin irritations and blisters. [18] [19] This agent also causes respiratory tract lesions, bone marrow depression, and eye damage, the epithelial tissues of these organs being predominately affected ...
The term immediately dangerous to life or health (IDLH) is defined by the US National Institute for Occupational Safety and Health (NIOSH) as exposure to airborne contaminants that is "likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment." Examples include smoke or other ...
Smokeless tobacco keratosis (STK) [4] is a condition which develops on the oral mucosa (the lining of the mouth) in response to smokeless tobacco use. Generally it appears as a white patch, located at the point where the tobacco is held in the mouth. The condition usually disappears once the tobacco habit is stopped.
Thus, the impact of chronic mouth breathing on health is a research area within orthodontics (and the related field of myofunctional therapy) [9] and anthropology. [10] It is classified into three types: obstructive, habitual, and anatomic. [11]: 281 There is a noted order of cause and effect leading to airway dysfunction related to mouth ...
Bad breath, also known as halitosis, is a symptom in which a noticeably unpleasant breath odour is present. [1] It can result in anxiety among those affected. [1] It is also associated with depression and symptoms of obsessive compulsive disorder.
The Infectious Disease Society of America recommends against routine antibiotic treatment and considers antibiotics only appropriate when given after a positive test. [8] Testing is not needed in children under three as both group A strep and rheumatic fever are rare, unless a child has a sibling with the disease. [8]
Some infectious diseases can be spread via respiratory droplets expelled from the mouth and nose, as when a person sneezes. A respiratory droplet is a small aqueous droplet produced by exhalation, consisting of saliva or mucus and other matter derived from respiratory tract surfaces. Respiratory droplets are produced naturally as a result of ...