Orexin / Hypocretin
2 articles in this topic.
Orexin / Hypocretin
Orexin and Energy Expenditure
Orexin does more than trigger hunger. Research shows it drives calorie burning through spontaneous movement, brown fat activation, and metabolic rate.
13 min read|Mar 25, 2026
Orexin / Hypocretin
Orexin and Food Motivation: Why Hunger Drives Seeking
Orexin does more than trigger hunger. It activates dopamine circuits that drive food-seeking behavior, linking arousal, reward, and appetite into one system.
15 min read|Mar 25, 2026