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.
1 Breast cancer: A meta-analysis of studies found women who drank the most green tea had a 22% lower risk of developing breast cancer which is the most common cancer in women. 2  Prostate cancer: One study found that men who drank the most green tea had a 48% lower chance of developing the most common type of cancer in men, prostate cancer.