Any switch designed to be operated by a person is generally called a hand switch, and they are manufactured in several varieties: Toggle switches are actuated by a lever angled in one of two or more positions. The common light switch used in household wiring is an example of a toggle switch.
1 In 2008, the results of a clinical study showing the positive effects of dandelion were published in the International Journal of Oncology. 2  Dandelion tea was shown to decrease breast cancer cells. 3  Researchers tested dandelion tea on prostate cancer cells and found similar results. In 2008, the results of a clinical study showing the positive effects of dandelion were published in the International Journal of Oncology. 2  Dandelion tea was shown to decrease breast cancer cells. 3  Researchers tested dandelion tea on prostate cancer cells and found similar results.
Researchers believe the polyphenol compounds in tea, which are antioxidants, are key to its possible effect on cancer. Green tea is thought to be especially beneficial. CAVEATS The study included only women; whether the finding applies to men remains unclear. Whether tea consumption might affect other types of cancer was not tested. Some of the data came from the womenâs responses on questionnaires.