A TENS Unit is one of several kinds of electrotherapy devices that use very small doses of electric current to promote natural pain relief. The word TENS, sometimes abbreviated as T.E.N.S., stands for Transcutaneous Electrical Nerve Stimulator.
What causes lack of appetite. A lack of appetite can be due to a variety of reasons. One reason for losing your appetite could be the side effects of a medication that you are on. It could also be the result of emotional causes such as stress, anxiety, or depression.
According to the The Merck Manual of Medical Information: Second Edition, digestive diseases such as irritable bowel syndrome, Crohn's disease, celiac disease, colitis and colon cancer can cause loss of appetite due to inflammation in the digestive tract, intestinal blockage or other factors.