Implanting brown fat around cancerous tumours could halve their size as the fat burns the fuel tumours need to grow. Although only tested in mice and human tissue to date, white fat could one day be extracted from people via liposuction and genetically engineered using the CRISPR technique to turn it into brown fat that then starves tumours of nutrients such as sugar.
Brown fat, mainly found in newborn humans and hibernating mammals, burns other fats and sugars …