The result can be premature ageing of the body, including the development of a number of related diseases
Feuerstein, an associate professor of medicine at Harvard Medical School and clinical chief of gastroenterology at Beth Israel Deaconess Medical Center, says that applying methylene blue to the colon epithelium during a colonoscopy creates a "great contrast, where you can actually see it enhance the detection of polyps, and precancerous growths in the colon in general." He uses it mostly in patients with longstanding inflammatory bowel disease (IBD) because of their increased risk for colorectal cancer Besides aiding in the detection of multiple types of cancerous and precancerous lesions, methylene blue is sometimes combined with light therapy (such as that from a laser) to help treat lung cancer, breast cancer, and others

Data extraction Study characteristics were extracted by a single author and included the following parameters: target organ/tissue/cell, targeting moiety, target receptor, anchoring method of the ligand to the delivery system, type of lipid delivery system, nucleic acid cargo and experimental parameters related to biodistribution and gene expression
PMID: 9326189
doi: 10.1093/infdis/jis433 183 RaffatelluM.GeorgeM
It helps maintain skin elasticity, reduces the appearance of scars, and provides moisturising benefits