(For the audio version of this blog post, click here ‎) Have you ever wondered how it is that you can place a pill in your mouth, swallow it, and your aching back stops aching? Or you place a pill in your mouth, swallow it, and you get relief from your itching eyes and runny nose. You can even place a pill in your mouth, swallow it, and return to work freed from your upper respiratory tract infection. How do these pills all enter this one area of our body but have effects on many different Continue Reading