For every 50,000 marathon runners, 1 dies of a heart attack within 24 hours of finishing the race!

This statistic applies to anyone who does strenuous activity for three or more hours. Researchers know that the reason is over-exertion of the heart muscle, which causes muscle cells to die. It's not an age thing either. According to their findings, younger, fitter people have a higher risk of having exertion related heart problems because they put more strain to their heart while exercising. Other facts about heart attacks:

• 39% of all heart attacks are fatal.
• About 57.5% of victims die before they are able to reach a hospital 
• Watching the World Cup increases the risk of a heart attack

To read more about the marathon runner statistic and the research behind it, click the source below!

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A man survived the Hindenburg disaster by bailing out the window!

Joseph Späh was a comic acrobat who was on his way to New York to perform his own show but missed a ship that left from Germany. Späh decided to take the Hindenburg to New Jersey because it was his only hope to arrive to New York in time for rehearsals to begin.

When he started sensing trouble, Späh broke a window and climbed out with a video camera. As the Hindenburg went lower and lower, Späh jumped out of the window at around 20 feet and did a safety roll to land safely. Unfortunately, Späh still suffered ankle injuries but was rescued from the impending fiery disaster by a ground worker who helped Späh up and ran him to safety!

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The Muppets is rated PG for sex and nudity!

If you read the offenses that caused The Muppets to be upgraded from G to PG, you would certainly be confused. Here is a selection of the causes:

• Male and female muppets kissing chicken muppets
• A muppet imagines the audience naked and people are seen wearing slips and tank tops
• A male and female muppet are kissing when lights come on and stop immediately

Other random things from the movie that caused the rating bump up include:

• A hippy-looking man singing the word “high”
• A muppet says the catch of the day at a restaurant was salmonella
• A muppet shouts at other muppets and angrily slams her head into a desk

To read a full list of the parental guide for The Muppets, click the Source below!

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Without the Butterfinger bar, there would be no Milhouse on The Simpsons!

The Simpsons has had a long history of appearing in advertisements such as Coca-Cola, Burger King, and probably most famously: Butterfinger! In a 1988 commercial for Butterfinger, Bart is seen eating lunch with a nameless character that now everyone recognizes as Milhouse Van Houten!

The name Milhouse was chosen by creator Matt Groening because he said that Milhouse is the saddest name for a kid that he could think of and also, it's the middle name of President Nixon. Groening addresses the unfortunate name in his comic strip Life Is Hell saying that Milhouse was a name “no longer recommended”! To see the original sighting of Milhouse, watch the clip!

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General Mills can no longer say Cheerios are proven to reduce cholesterol!