Context: Death from laughter is a rare form of death, usually resulting from cardiac arrest or asphyxiation, caused by a fit of laughter. Instances of death by laughter have been recorded from the times of ancient Greece to the modern day.
 Question: can you have a heart attack from laughing Context: Nicotine withdrawal is a group of symptoms that occur in the first few weeks upon the abrupt discontinuation or decrease in intake of nicotine. Symptoms include cravings for nicotine, anger/irritability, anxiety, depression, impatience, trouble sleeping, restlessness, hunger or weight gain, and difficulty concentrating. A smoking cessation program may improve one's chance for success in quitting nicotine. Nicotine withdrawal is recognized in both the American Psychiatric Association Diagnostic and Statistical Manual and the WHO International Classification of Diseases.
 Question: is there such a thing as nicotine withdrawal Context: Chewing, in which food is mixed with saliva begins the process of digestion. This produces a bolus which can be swallowed down the esophagus and into the stomach. Here it is mixed with gastric juice until it passes into the duodenum where it is mixed with a number of enzymes produced by the pancreas. Saliva also contains a catalytic enzyme called amylase which starts to act on food in the mouth. Another digestive enzyme called lingual lipase is secreted by some of the lingual papillae on the tongue and also from serous glands in the main salivary glands. Digestion is helped by the mastication of food by the teeth and also by the muscular actions of peristalsis and segmentation contractions. Gastric juice in the stomach is essential for the continuation of digestion as is the production of mucus in the stomach.
 Question: is the esophagus part of the digestive tract Context: Chinatown is a 1974 American neo-noir mystery film, directed by Roman Polanski from a screenplay by Robert Towne, starring Jack Nicholson and Faye Dunaway. The film was inspired by the California Water Wars, a series of disputes over southern California water at the beginning of the 20th century, by which Los Angeles interests secured water rights in the Owens Valley. The Robert Evans production, a Paramount Pictures release, was the director's last film in the United States and features many elements of film noir, particularly a multi-layered story that is part mystery and part psychological drama.
 Question: is the movie chinatown based on a true story Context: Return to Oz is a 1985 fantasy adventure film directed and written by Walter Murch, an editor and sound designer, co-written by Gill Dennis and produced by Paul Maslansky. It stars Nicol Williamson as the Nome King, Jean Marsh as Princess Mombi, Piper Laurie as Aunt Em, Matt Clark as Uncle Henry and introduces Fairuza Balk as Dorothy Gale. It is based on L. Frank Baum's Oz novels, mainly The Marvelous Land of Oz (1904) and Ozma of Oz (1907), yet is set six months after the events of the first novel, The Wonderful Wizard of Oz (1900) took place. The film is an unofficial sequel to the 1939 Metro-Goldwyn-Mayer film, The Wizard of Oz and also borrows a few elements of it such as the ruby slippers.
 Question: is there a sequel to the wizard of oz
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