The Claim

Ten days of total energy deprivation in healthy, normal-weight males is associated with a pronounced increase in growth hormone levels, followed by a partial return toward baseline before refeeding, indicating a dynamic hormonal response to prolonged fasting.

Source: Effects of total energy withdrawal (fasting) on thelevels of growth hormone, thyrotropin, cortisol, adrenaline, noradrenaline, T4, T3, and rT3 in healthy males.

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
21score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Correlation
1 study reviewed
In plain English

In healthy, normal-weight men, not eating for ten days causes growth hormone levels to rise sharply, then partially decrease before eating resumes, showing a timed hormonal pattern during extended fasting.

See the scientific wording

Ten days of total energy deprivation in healthy, normal-weight males is associated with a pronounced increase in growth hormone levels, followed by a partial return toward baseline before refeeding, indicating a dynamic hormonal response to prolonged fasting.

Why this might work

When no food is eaten for days, the brain detects low energy and signals the pituitary gland to release a large amount of growth hormone. This hormone tells the body to break down fat for fuel and spare sugar for the brain. After a few days, the brain reduces this signal slightly, so growth hormone levels drop a bit but stay higher than normal until food returns.

Verified mechanismbased on 1 study

What the research says

1 study
  1. Study: Effects of total energy withdrawal (fasting) on thelevels of growth hormone, thyrotropin, cortisol, adrenaline, noradrenaline, T4, T3, and rT3 in healthy males.

    When these men didn’t eat for 10 days, their bodies made a lot more growth hormone at first — like a surge of energy-saving signals — but then that surge started to calm down before they ate again. This shows the body adjusts its hormones during long fasts.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

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