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also activates a second gut hormone receptor, GIP (glucose-dependent insulinotropic polypeptide) Plot twist: GLP-1 receptors are scattered throughout the body - including on immune cells and in the ovaries Here's where it gets interesting

Sleep architecture changes over the life course, with the time spent in slow-wave sleep (e.g., deep sleep) decreasing and becoming fragmented over time

The phone was answered within a few rings during our test, and email replies arrived within 24 hours

For experienced trainees in a caloric deficit, maintaining lean mass while losing fat is a more realistic goal than gaining new muscle