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.
In some cases, sudden loss of appetite occurs at an advanced stage illness, such as congestive heart failure or kidney failure. Psychological diseases including depression, anxiety disorder and schizophrenia can also cause sudden loss of appetite, particularly if symptoms of the underlying disease increase suddenly.