Ask unlimited questions for free
There are 20 feet of blood vessels in each square inch of human skin.
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
The average adult has about 21 square feet of skin.
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
For a complete list of videos, visit our video library