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 ...

Different headache types can cause pain on the left side of the head. The pain usually isn’t cause for worry. But if the pain is intense or doesn’t go away, there may be a more serious cause.

Sleeping with a pillow between our knees, too, feels best. So why is the left side the best? One night, I had horrible heartburn, which rarely happens, so I immediately Googled to find out what to do.

If you’ve ever flown on a commercial airplane, you’ve probably noticed that boarding always happens from the left side of the ...