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: Deep ocean water (DOW) is the name for cold, salty water found deep below the surface of Earth's oceans. Ocean water differs in temperature and salinity. Warm surface water is generally saltier than the cooler deep or polar waters; in polar regions, the upper layers of ocean water are cold and fresh. Deep ocean water makes up about 90% of the volume of the oceans. Deep ocean water has a very uniform temperature, around 0-3 °C, and a salinity of about 3.5% or as oceanographers state as 35 ppt (parts per thousand).
 Question: is the bottom of the ocean saltier than the top Context: However, these changes were soon followed by studies showing an increase in motor vehicle fatalities attributable to the decreased MLDA. In response to these findings, many states raised the minimum legal drinking age to 19 (and sometimes to 20 or 21). In 1984, the National Minimum Legal Drinking Act, written by Senator Frank Lautenberg (D-NJ) and influenced by Mothers Against Drunk Driving (MADD), required all states to enforce a minimum legal drinking age of 21 or else risk losing 10% of all federal highway construction funds.
 Question: is the drinking age 21 everywhere in the us Context: Dermatophagia (from Ancient Greek δέρμα - skin - and φαγεία - eating) is a compulsion disorder of gnawing, biting or eating one's own skin, most commonly at the fingers. People with dermatophagia typically bite the skin around the nails, leading to bleeding and discoloration over time. Some people also bite on their skin on their finger knuckles which can lead to pain and bleeding just by moving their fingers. Some usually consume the flesh during an episode. Contemporary research suggests a link between impulse control disorders and obsessive--compulsive disorders, and this may be addressed in the DSM-5, published in May 2013. Further information on OCD, other anxiety disorders, and dermatophagia and other impulse-control disorders can be found in the DSM-IV TR.
 Question: is it bad to bite the skin off your fingers Context: The Nashville Sounds are a Minor League Baseball team of the Pacific Coast League (PCL) and the Triple-A affiliate of the Oakland Athletics. They are located in Nashville, Tennessee, and are named for the city's association with the music industry. The team plays its home games at First Tennessee Park which opened in 2015 and is located on the site of the historic Sulphur Dell ballpark. The Sounds previously played at Herschel Greer Stadium from its opening in 1978 until the end of the 2014 season.
 Question: does nashville have a minor league baseball team Context: On December 18, 2014, Parliament passed a bill to allow Danish citizens to become foreign nationals without losing their Danish citizenship, and to allow foreign nationals to acquire Danish citizenship without renouncing their prior citizenship. A provision in the bill also allows former Danish nationals who lost their citizenship as a result of accepting another to reobtain Danish citizenship. This provision expires in 2020. A separate provision, lasting until 2017, allows current applicants for Danish citizenship who have been approved under the condition they renounce their prior citizenship to retain their prior nationality as they become Danish citizens. The law came into force on September 1, 2015.
 Question: can a us citizen become a citizen of denmark
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