I want to now give you some perspective as to WHY this matters. We have established that as one gets fat, Leptin levels rise. Once they get high enough (around a Body Mass Index (BMI) of 20-24), Tumor Necrosis Factor (TNF) rises in several tissues.
The lemuriform toothcomb, viewed from the underside of the lower jaw. A toothcomb (also tooth comb or dental comb) is a dental structure found in some mammals, comprising a group of front teeth arranged in a manner that facilitates grooming, similar to a hair comb.
An unbreakable plastic comb is a comb that, despite being made of plastic rather than (more expensive) metal, does not shatter into multiple pieces if dropped on a hard surface such as bathroom tiles, a hardwood floor, or a pavement. Such combs were introduced in about 1960. Today most plastic combs are unbreakable.