The first ever toothbrush design, used by ancient Babylonians and Egyptians, dates back to 3500 BC. The primitive toothbrush, known as a 鈥渃hew stick鈥, was a thin twig with a frayed end. The modern...
An Italian lady showed up at a clinic complaining of generalized itching and swelling of her lips about 30 minutes after making love with her husband. The reaction disappeared after treatment with...