After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Ernest Hemingway survived through anthrax, malaria, pneumonia, dysentery, skin cancer, hepatitis, anemia, diabetes, high blood pressure, two plane crashes, a ruptured kidney, a ruptured spleen, a ruptured liver, a crushed vertebra, a fractured skull, and more.
67
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Pain travels through your body at 350 ft. per second.
36
Your ribs move about 5 million times a year, every time you breathe!
60