The hypothalamus The hypothalamus is located at the base of the brain just below the thalamus. A small but vital region of the brain, it is roughly the size of an almond and weighs around 4g (Saper ...

Compared to sugar, consuming sucralose-a widely used sugar substitute-increases activity in the hypothalamus, a brain region that regulates appetite and body weight, according to a new USC study.

"What is quite remarkable is that in the adult brain, the thyroid hormone receptor is not only in the hypothalamus, but it's basically everywhere," Hochbaum said.