Scientists are testing a radical approach to treating obesity in which “bad” white fat is converted into “good” brown fat tissue that burns calories far more rapidly. So far the technology, which involves converting fat cells in a bioreactor, has only been tested in human cells and in mice.

See the source article by following the link below:
Scientists are testing a radical approach to treating obesity in which “bad” white fat is converted into “good” brown fat tissue that burns calories far more rapidly. So far the technology, which involves converting fat cells in a bioreactor, has only been tested in human cells and in mice.