It is almost impossible to sneeze with your eyes open. It is a defense mechanism that has evolved to protect our eyes from bacteria and debris.
164
Kissing an infection-free partner is good for your teeth!
141
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
Your thumb is about the same size as your nose.
124
Poor eyesight (myopia) is associated with higher IQ.
232
Human hair and fingernails continue to grow after death.
7
Redheads require up to 20% more anesthesia to be knocked out.
112