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Tag: brain chemicals

How Brain Neurotransmitters Make It Easier or Harder to Control Your Appetite

How Brain Neurotransmitters Make It Easier or Harder to Control Your Appetite

What is it that motivates you to eat – or to overeat? Your appetite is regulated by a complex group of peptides including appetite hormones like leptin, produced by fat cells. Leptin turns off your appetite and reduces the desire to eat. Ghrelin, a hormone produced by the lining of your stomach has the opposite effect – it strongly stimulates the desire to eat. Think mad rush to the refrigerator! These hormones exert their effects on a portion of your brain called the hypothalamus.

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Is Exercise Addictive?

Is Exercise Addictive?

When people who exercise say they’re addicted, is there any science behind it? Is exercise addictive? There may be some truth to the idea.

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