A stethoscope is a medical instrument used to hear sounds made by the heart, lungs, and intestines. Using a stethoscope to hear sounds is called auscultation.[1] X Trustworthy Source Cleveland Clinic Educational website from one of the world's lea...

Sudden weather changes such as cold winds, barometric pressure and humidity can trigger allergies in some people.

Keira Knightley and Scarlett Johansson bare all in the latest Vanity Fair, posing nude for the cover of the glossy magazine's annual Hollywood issue.