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: In the early years, Jughead and Ethel were seen together frequently in Jughead comics, and she often tried to flirt with him. Writers and fans of Archie Comics sometimes comment that if they were to pair Jughead up with one of the girls, it would be Betty. In one comic, Jughead tells Betty that if he were to ever kiss a girl willingly, it would be her.
 Question: did jughead and betty ever date in the comics Context: In humans, mature red blood cells are flexible and oval biconcave disks. They lack a cell nucleus and most organelles, in order to accommodate maximum space for hemoglobin; they can be viewed as sacks of hemoglobin, with a plasma membrane as the sack. Approximately 2.4 million new erythrocytes are produced per second in human adults. The cells develop in the bone marrow and circulate for about 100--120 days in the body before their components are recycled by macrophages. Each circulation takes about 60 seconds (one minute). Approximately a quarter of the cells in the human body are red blood cells. Nearly half of the blood's volume (40% to 45%) is red blood cells.
 Question: do red blood cells have membrane bound organelles Context: Harry Potter and the Escape from Gringotts is an indoor steel roller coaster at Universal Studios Florida, a theme park located within the Universal Orlando Resort. Similar to dark rides, the roller coaster utilizes special effects in a controlled-lighting environment and also employs motion-based 3-D projection of both animation and live-action sequences to enhance the experience. The ride, which is themed to the Gringotts Wizarding Bank, became the flagship attraction for the expanded Wizarding World of Harry Potter when it opened on July 8, 2014.
 Question: is harry potter escape from gringotts a roller coaster Context: The blood-brain barrier may become leaky in select neurological diseases, such as amyotrophic lateral sclerosis, epilepsy, brain trauma and edema, and in systemic diseases, such as liver failure. The blood--brain barrier becomes more permeable during inflammation, allowing antibiotics and phagocytes to move across the BBB. However, this also allows bacteria and viruses to infiltrate the blood-brain barrier. Examples of pathogens that can traverse the blood-brain barrier include toxoplasma gondii which causes toxoplasmosis, spirochetes like Borrelia (Lyme disease), Group B streptococci which causes meningitis in newborns, and Treponema pallidum which causes syphilis. Some of these harmful bacteria gain access by releasing cytotoxins like pneumolysin which have a direct toxic effect on brain microvascular endothelium and tight junctions.
 Question: can toxins pass through the blood brain barrier Context: On September 17, 2008, the British evening-news analysis program Newsnight reported that Morgan Stanley was facing difficulties after a 42% slide in its share price. CEO John J. Mack wrote in a memo to staff ``we're in the midst of a market controlled by fear and rumours and short-sellers are driving our stock down.'' The company was said to have explored merger possibilities with CITIC, Wachovia, HSBC, Standard Chartered, Banco Santander and Nomura. At one point, Hank Paulson offered Morgan Stanley to JPMorgan Chase at no cost, but Jamie Dimon refused the offer.
 Question: is morgan stanley the same as jp morgan chase
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