McDonnell researched the phenomenon for three years. He started by reading the Ebers Papyrus, which was an Egyptian text from around 1550 B.C.E. It contained hundreds of recipes that promised to ...
Instead, there's more evidence they used the warmth of the Sun to heal. The Ebers Papyrus is an ancient Egyptian medical scroll from around 1500 BCE. It contains a recipe for an ointment to "make the ...
Today, light therapy has found its way into the beauty industry: LED face masks promise to fight acne and reduce signs of ...