According to USA Today, they've been used as birth control and as a method to quit smoking, now slapping on a patch may be a weight loss solution.

A research team tested a medicated skin patch on mice and found that injecting medicine using the patch led to a decrease in fat where the patch was applied.  The hope is the same can be done for humans.

The research suggests the patch turned white fat, which stores excess energy, into dark fat, which burns fat to produce heat.  It's a process called "browning," and for years, researchers have sought to use it as a way to fight obesity and diabetes.


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