There has been a lot of buzz lately about freezing — and no, we don’t mean winter temperatures in Boston. Freezing fat, known medically as cryolipolysis, is one of the hottest trends in noninvasive body sculpting — that is, losing pockets of fat without needles, knives, or real downtime.

Let’s start with the basics. Not all fat is created equal. We have two distinct types of fat in our bodies: subcutaneous fat (the kind that may roll over the waistband of your pants) and visceral fat (the stuff that lines your organs and is associated with diabetes and heart disease).

Read the full article at health.harvard.edu