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.
Back to Top Causes. Causes of increased appetite include: 1  Anxiety. 2  Certain drugs (such as corticosteroids, cyproheptadine, and tricyclic antidepressants). 3  Bulimia (most common in women 18 - 30 years old). 4  Diabetes mellitus (including gestational diabetes). 5  Graves' disease. 6  Hyperthyroidism. 7  Hypoglycemia.