Scientists have revealed the most scientifically accurate reconstructions of what ancient humans would have looked like.

Deep cleaning teeth helps get rid of bad breath and promotes healing of gum disease. But deep cleanings have risks too. Learn the pros and cons of deep dental cleaning.

ATEN-POUND bite requires a forty-pound contraction of the human jaw muscles. That is because the jaws are built on the principle of a pair of tongs, The power is applied near the joint, while the ...