This weight-loss headset is more likely to give you a headache than budge the scale

Modius Health wants you to believe that weight loss is more in the brain than in the body -- and that wearing its headset can help you lose weight without extra effort. Most likely, it's too good to be true. Plus, the headset gives you a headache. The headset is made of white plastic and has two bits that hang behind your ears. You attach little sticky electrode pads on the back of your ears and use them to hook in the little bits. Then, you turn the gadget on and it starts sending electrical si...