If you cover the right side of Trump's face with your hand and squint, he looks like Joe Biden. If you cover the right side ...

Zipper flaps on pants block easy access from the left side. Lefties have to reach around the flap and zip up from the other side. If you hold a glass measuring cup in your left hand, you have to ...

Heart failure occurs when the heart can't pump blood as well as it should. It can affect either the left side of the heart (left-sided heart failure) or the right side (right-sided heart failure).