Fingernails grow nearly 4 times faster than toenails.
31
It has been shown that caffeine causes headaches when stopped suddenly and can cause morning headaches that are relieved by a dose of caffeine.
101
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Medical research has found substances in mistletoe that can slow down tumor growth.
32
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
It takes 17 muscles to smile, 43 to frown.
65
People who sleep late have more mental stamina and can outperform early risers.
33