Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
Your heart rate can rise as much as 30% during a yawn.
69
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Music has the ability to repair brain damage and return lost memories.
62
10 seconds is the amount of time until unconsciousness after the loss of blood supply to the brain.
108
Pain occurs when sounds are above 130 db.
124
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
A woman's sense of smell is most sensitive during ovulation.
34