Bruxism occasional tooth grinding. It has been shown that the majority (86%) of sleep bruxism episodes occur during periods of sleep arousal. One study reported that sleep arousals which were experimentally induced with sensory stimulation in sleeping bruxists triggered episodes of sleep bruxism. Sleep arousals are a sudden change in the depth of the sleep stage, and may also be accompanied by increased heart rate, respiratory changes and muscular activity, such as leg movements. Initial reports have suggested that episodes of sleep bruxism may be accompanied by gastroesophageal reflux, decreased esophageal pH (acidity), swallowing, and decreased salivary flow. Another report suggested
Involuntary euthanasia McKim, a New York physician and author published a book titled “Heredity and Human Progress.” This book suggested that people with severe inherited defects, including mentally handicapped people, epileptics, habitual drunks and criminals, should be given a quick and painless death by carbonic gas. In January 1938, the National Society for the Legalization of Euthanasia was formed, and was renamed the Euthanasia Society of America (ESA) later that year. It advocated for the legalization of euthanasia in the United States, primarily by lobbying state legislators. Many prominent ESA members advocated for involuntary euthanasia of people with mental disabilities, including Ann