When Hunger Strikes

Women's Health South Africa|August 2020

When Hunger Strikes
All of a sudden, a deep rumbling to rival Barry White’s lowest octave reverberates through the room – and it’s coming from your stomach. What’s actually going on in your body when hunger strikes?
MINI SMITH

01 HOR-MOAN-ING

Mechanically speaking, feeling hungry comes down to hormones. “One in the stomach, called ghrelin, stimulates hunger and, an hour or so after you last ate, your levels slowly creep up and act on the appetite sensors in your brain to encourage you to eat food,” says endocrinology professor Kevin Murphy. Between 10 and 20 minutes after a meal, hormones associated with satiety (CCK, GLP-1 and PPY, fellow nerds) peak, keeping you full until the next feed. Protein and fibre-filled foods sustain these guys for longer, FYI.

02 READY TO RUMBLE

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August 2020