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.
1 Reduced social contact. 2  Older adults who eat alone might not enjoy meals as before, causing them to lose interest in cooking and eating. 3  Depression. 4  Grief, loneliness, failing health, lack of mobility and other factors might contribute to depression â causing loss of appetite.