Ephi Lu

Homeostatic Signals

Food intake is regulated by two complementary pathways in the body and brain that signal us to consume food: the homeostatic and hedonic pathways.…

Hormones

Hormones are chemical signaling molecules secreted directly into the bloodstream by glands and carried in the circulation to target tissues and organs where they…

Hosts

Hosts in biology are larger organisms that harbor smaller organisms inside or on their bodies (Casadevall & Pirofski, 2015). In this course, we commonly…

HPA Dysbiosis-Neuroinflammatory Cycle

The HPA (hypothalamic-pituitary-adrenal) axis dysbiosis-neuroinflammatory cycle is a proposed mechanism of how chronic stress and an imbalanced gut microbiota can contribute to the development…

Hunger hormones

Hunger hormones stimulate appetite and the desire to eat. Ghrelin is a notable example of a hunger hormone.

Hyper-palatable foods (HPFs)

Hyper-palatable foods (HPFs) are food categories distinguished by their highly pleasurable taste and sensory appeal, attributed to their elevated levels of fat, sodium, simple…

Preventable Cancer Burden Associated with Poor Diet in the United States