Story perspectives

Seven-Day Water Fast: Hormonal Shifts and Weight Loss Revealed

11/22/2025

50 5

Summary

Story summary

A study by researchers at Queen Mary’s Precision Healthcare University Research Institute and the Norwegian School of Sports Sciences found that a seven-day water-only fast triggers a gradual shift in hormones, immune signals, and tissue structures.
The researchers tracked over 3,000 proteins in twelve healthy adults and identified nine distinct patterns of protein changes.
Participants lost an average of 12.5 pounds, with notable changes in fat and lean tissue.

1 of 1

Story summary

A study by researchers at Queen Mary’s Precision Healthcare University Research Institute and the Norwegian School of Sports Sciences found that a seven-day water-only fast triggers a gradual shift in hormones, immune signals, and tissue structures.
The researchers tracked over 3,000 proteins in twelve healthy adults and identified nine distinct patterns of protein changes.
Participants lost an average of 12.5 pounds, with notable changes in fat and lean tissue.