Yawns are more contagious among people with closer relationships.
163
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Our Right Lungs takes more air than our left lung.
194
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127