Endocrine system
The network of glands that produce hormones — the body’s slow, wide-reaching chemical signaling system regulating metabolism, growth, mood, and reproduction.
Organs
Hormones
- Adrenaline (Epinephrine)· Adrenal medulla
- Cortisol· Adrenal cortex
- Estrogen· Ovaries
- Ghrelin· Stomach
- Glucagon· Pancreas (alpha cells)
- Growth hormone· Anterior pituitary
- Insulin· Pancreas (beta cells)
- Leptin· Adipose tissue
- Melatonin· Pineal gland
- Oxytocin· Posterior pituitary
- Testosterone· Testes / ovaries / adrenal
- Thyroxine (T4)· Thyroid
Substances & behaviors
Functions & conditions
- Appetite Regulation
- Arousal
- Blood Pressure Regulation
- Circadian Rhythm Regulation
- Homeostasis
- Hormone Regulation
- Hunger Regulation
- Sleep Regulation
- Stress Response
- Thirst Regulation
- Addison disease
- Cushing syndrome
- Gout
- Graves disease
- Hashimoto thyroiditis
- Hyperthyroidism
- Hypothyroidism
- Metabolic syndrome
- Obesity
- Polycystic ovary syndrome (PCOS)
- Primary hyperparathyroidism
- Type 1 diabetes mellitus
- Type 2 diabetes mellitus
Books (12)
Burn: New Research Blows the Lid Off How We Really Burn Calories
Estrogen Matters
Hormone Repair Manual: Every Woman’s Guide to Healthy Hormones After 40
Lifespan: Why We Age—and Why We Don’t Have To
Outlive: The Science and Art of Longevity
The Diabetes Code: Prevent and Reverse Type 2 Diabetes Naturally
The Gene: An Intimate History
The Menopause Manifesto: Own Your Health with Facts and Feminism
The Obesity Code: Unlocking the Secrets of Weight Loss
The Period Repair Manual: Natural Treatment for Better Hormones and Better Periods
The Story of the Human Body: Evolution, Health, and Disease
Why We Get Sick: The Hidden Epidemic at the Root of Most Chronic Disease
Research (6)
- Editorial: Linking the endocrine system with immunity Latek et al. (2025)
- The endocrine system and associated disorders Ashwell (2022)
- The clandestine organs of the endocrine system Garcia-Reyero (2018)
- Interplay between the Endocrine System and Immune Cells Carvalho et al. (2015)
- Endocrine system: part 1 Johnstone et al. (2014)
- Vitamin D-endocrine system Bell (1985)
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