Mark Yu, the man behind the portable iPhone-enabled TENS unit U-Gym, is back with a crowdfunded project called U-Gym Mini, a muscle stimulator intended for pain treatment. AppleInsider went hands-on ...

Have you ever visited a chiropractor or physical therapist to help qualm lingering aches and pains? If so, your treatment probably involved a bit of Transcutaneous Electrical Nerve Stimulation, or ...