Ice: A recent study of fast food restaurants in the United States found that 70 percent of the ice served has more bacteria than the water in the toilet bowl. We'll take our soda lukewarm!

Light switch: The light switch can have up to 217 bacteria per square inch, which means that every time you turn the light on and off, you could be exposed to dangerous bacteria that has accumulated there over time. Make sure that you clean the light switches regularly at your home and office with bleach!

Remember, you should wash your hands thoroughly with antibacterial soap for a total of around 40 seconds to a minute. Make sure the soap reaches a rich lathery consistency before washing it off. If everyone washes their hands the way they should, it is predicted that over a million deaths from disease a year could be prevented. So for your good and the good of all, wash your hands responsibly!