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Cancer is one of the most deadly diseases worldwide. The main problem of current drugs is the lack of specificity of the treatment and the damage to healthy tissue. Currently, medical nanobiotechnology develops methods to treat cancer in a localized and rapid way through DNA nanorobots, causing the death of the tumor and the release of drugs in a targeted way; this new technology improves every year, presenting the potential for the treatment of various pathologies related to the circulatory system and other areas.