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: A regular octagon is a closed figure with sides of the same length and internal angles of the same size. It has eight lines of reflective symmetry and rotational symmetry of order 8. A regular octagon is represented by the Schläfli symbol (8). The internal angle at each vertex of a regular octagon is 135° ( 3 π 4 (\displaystyle \scriptstyle (\frac (3\pi )(4))) radians). The central angle is 45° ( π 4 (\displaystyle \scriptstyle (\frac (\pi )(4))) radians).
 Question: are all sides of an octagon the same size Context: Tsunamis affecting New Zealand are mainly due to the country being part of the geologically active Pacific Plate and associated with the Pacific Ring of Fire. Tsunamis affect New Zealand's coastline reasonably frequently and tend to be caused by earthquakes on the Pacific Plate both locally and as far away as South America, Japan, and Alaska. Some have been attributed to undersea landslides, volcanoes, and at least one meteor strike. New Zealand is affected by at least one tsunami with the a wave height greater than one metre every ten years on average. The history of tsunamis is limited by the country's written history only dating from the early to mid-1800s with Māori oral traditions and paleotsunami research prior to that time. Studies are also being carried out into possible tsunamis on the larger inland lakes, particularly from landslides.
 Question: has there been a tsunami in new zealand Context: A limited symptom attack (LSA), also referred to as a limited symptom panic attack (LPA), is a milder, less comprehensive form of panic attack, with fewer than 4 panic related symptoms being experienced (APA 1994). For example, a sudden episode of intense dizziness or trembling accompanied by fear that something terrible is about to happen. Many people with panic disorder have a mixture of full blown and limited symptom attacks. LSAs often manifest in anxiety disorders, phobias, panic disorder and agoraphobia. However, experiencing an LSA is not necessarily indicative of mental illness. Often persons recovering from and/or being treated for panic attacks and panic disorder will experience LSAs.
 Question: is there such thing as a mild panic attack Context: In a college or university in the United States, students generally receive credit hours based on the number of ``contact hours'' per week in class, for one term; more well known as Semester Credit Hours. A contact hour includes any lecture or lab time when the professor is teaching the student or coaching the student while they apply the course information to an activity. Regardless of the duration of the course (i.e. a short semester like summer or intersession) and depending on the state or jurisdiction, a semester credit hour (SCH) is 15-16 contact hours per semester. Most college and university courses are 3 Semester Credit Hours (SCH) or 45-48 contact hours, so they usually meet for three hours per week over a 15-week semester.
 Question: is a credit hour the same as a semester hour
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