Your head: It houses your brain, your smile, the windows to your soul—in other words, you can't get by without it. It's also probably the part of the body most prone to sickness and pain. Our temples get throbby, noses get stuffy, and eyes get achy and itchy. But rather than reaching for an aspirin or eye drops, try one of these natural techniques to soothe what ails you. (Medical Note: Talk to your doctor before trying any naturopathic remedy.) Pounding Headaches Probably the most common ailment—according to the National Headache Foundation, more than 45 million Americans…