If you're starting a workout program that calls itself "Insanity ® by Beachbody," you know it's going to be over the top. This is one of the most challenging fitness programs on the market. Insanity ...

I was channel-surfing early one morning when images of sculpted bodies working out together caught my attention. It wasn’t the first time I had seen this Insanity infomercial, but it was the first ...