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(Our happy hour fact to amaze your drinking buddies with.)

Weeding, digging and mowing can be a bonanza for a man's bedroom performance.

In a study of 674 middle-aged men, researchers at the University of Vienna found that 30 minutes of garden work, five days a week, reduces the risk of impotence by 38 percent.

Experts have always reasoned exercise is key to maintaining male sexual health, but this new study suggests garden work can be just as effective as more traditional cardiovascular activities such as running or cycling. If you don't have a backyard big enough to warrant the attention, vigorous household chores are recommended.

Coincidentally, married men find that doing household chores is one of the few ways to be granted the opportunity to use their increased virility.

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Gardening used to be number 20 on our list of 100 things every person should know how to do. Given its new status as a stimulant, we think it should probably rise a little higher in rank. Check out the rest of the 100 essential skills in the gallery below.

100 Essential Skills Every Man Should Know

    1. Handle a blowout
    http://www.ehow.com/video_1863_change-flat-tire.html

    Getty Images

    2. Drive in snow
    http://www.ehow.com/how_2061016_drive-through-blizzard.html

    Jupiter Images

    3. Check trouble codes
    http://www.2carpros.com/car_repair_video/how_to_scan_your_car.htm

    Everett Collection

    4. Replace fan belt
    http://www.howtodothings.com/automotive/a3038-how-to-replace-a-fan-belt.html

    Robyn Beck, AFP / Getty Images

    5. Wax a car
    http://www.ehow.com/video_1327_wax-car.html

    AP

    6. Conquer an off-road obstacle
    http://www.wikihow.com/Go-Off-Roading-in-an-SUV

    Everett Collection

    7. Use a stick welder
    http://www.millerwelds.com/education/articles/articles16.html

    AP

    8. Hitch up a trailer
    http://www.edmunds.com/ownership/howto/articles/44921/article.html

    AP

    9. Jump start a car
    http://artofmanliness.com/2008/09/11/how-to-jump-start-a-car/

    Corbis

    10. Perform the Heimlich
    http://www.heimlichinstitute.org/page.php?id=34

    Charles Krupa, AP