Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Every hour one billion cells in the body must be replaced.
17
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
People who sleep late have more mental stamina and can outperform early risers.
33
Redheads require up to 20% more anesthesia to be knocked out.
112
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Your thumb is about the same size as your nose.
124