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[shahrukh]

While most jellyfish are not deadly, some varieties can cause anaphylaxis, which can be fatal.
 
7. Dogs kill 34 people per year in the U.S.

[shahrukh]

There are approximately 4.7 million dog bite victims annually in the U.S. and 1,000 Americans are treated in emergency rooms as a result of dog bites every day. Most of these victims are children who were bitten in the face.
 
8. Ants kill 30 people per year

[shahrukh]

There are over 280 different species of ants that can kill, and the fire ant and Siafu ants of Africa are among the most deadly. Since they live in colonies up to 20 million strong, once an attack begins ants can easily overpower their prey. Most reports of deaths are due to people falling asleep near an ant hill and succumbing to anaphylactic shock from countless ant bites and venom.
 
9. Vending machines kill 13 people per year

[shahrukh]

Each year vending machines topple over and crush about 10-13 people. Death by snacking!
 
10. Roller Coasters kill 4 people per year



Overall, the risk of injury while riding a roller coaster is very low. In the U.S. people take about 900 million rides per year, and only about 1 in 124,000 result in an injury.
 
However, studies show that between the years 1994-2004 there were 40 deaths from roller coasters total, and currently the annual death rate is about 4 per year in the U.S.A.