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 in Windsor, Ont., have received an additional $157,000 grant for a total of $217,000 to study how effective dandelion root extract is in fighting cancer.esearchers then discovered that repeated treatment with low dose dandelion root extract was effective in killing most of the cancerous cells. Those initial findings landed the research team a $60,000 grant from Seeds4Hope, which provides money for local cancer research.