Flu shots only work about 70% of the time.
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Our Right Lungs takes more air than our left lung.
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Kissing an infection-free partner is good for your teeth!
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
You inhale about 700,000 of your own skin flakes each day.
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The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
The average person has over 1,460 dreams a year!
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