A strange mystic swings a pocket watch back and forth, repeating the phrase "You're getting sleepy, very sleepy," giving them absolute command over their subject. That's not how hypnotism really works ...

This 200-year-old treatment can be effective for a variety of conditions, but it does take work. By Hannah Seo In the 1770s, a German physician named Franz Mesmer made a splash when he said he could ...