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.
Appetite - increased. Increased appetite means you have an excess desire for food. An increased appetite can be a symptom of different diseases. For example, it may be due to a mental condition or a problem with the endocrine gland. An increased appetite can come and go (intermittent), or it can last for long periods of time (persistent). This will depend on the cause. It does not always result in weight gain.