Dopamine regulates systemic glucose metabolism in humans

In Four. EPIC. Experiments (ter Horst et al., 2018)

Tl;dr: sunlight & breakfast in the morning.


Dopamine receptors are downregulated in obese patients and are restored in long-term weight loss patients after bariatric surgery. It’s better to get your dopamine hit via sunlight than sugar duh.

This is some amazing science.



Experiment 1. 50-year old dude with severe OCD gets diagnosed with type 2 diabetes and is only able to get his glucose under control with metformin and 226 IU insulin. At 53, his OCD is treated with deep brain stimulation (DBS). His insulin requirements declined to 180 IU. He didn’t lose weight but went off quetiapine, so maybe coincidence because: 1. quetiapine is diabetogenic; and 2. DBS induces dopamine release.

Two-step hyperinsulinemic euglycemic clamp when DBS is turned off and turned on. BOOM! When it’s on, lower fasting insulin, and better insulin-induced suppression of liver glucose output, free fatty acids, & muscle glucose disposal! DBS improved insulin sensitivity in liver, adipose, and skeletal muscle.

For the rest of the discussion on these super-interesting experiments, head over to PatreonFive bucks a month for full access and there are many other options. It’s ad-free and you can cancel if it sucks 🙂

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calories proper



Cycloset (bromocriptine)



Go for a walk.

And #eTRF.