A person claims his newly invented device treats cancer without surgery,medication,or other forms of conventional medical therapy.However,people who have used the device report that it was not helpful,and it may have harmed them.According to this information,the inventor's claims and his device are

Question

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The inventor's claims and his device are considered as quackery because they offer false hope and can harm those who use them. The lack of evidence and the negative reports from those who have already tried the device further suggest that it is not a legitimate medical treatment.

A Person Claims His Newly Invented Device Treats Cancer Without