Used to treat pain and discomfort, a transcutaneous electrical nerve stimulation (TENS) unit is a battery-run device that works by sending tiny electrical impulses via electrodes that actually attach to a human’s skin with adhesive pads. The electrical impulses then... 
Everyone is susceptible to experience back pain. In fact, the causes and symptoms of back pain are not about on more serious problems. It is all about your surroundings. It could be your shoes or even your mattress is to be blamed for your back pain. Some of the... 
It has been estimated that around 60 – 85 % of adults experience back pain at some point in their lives. Although for many people the symptoms resolve, for around 15 – 45% of people, the back pain becomes chronic lasting for more than 3 months. (Middleton... 