The Claim

Psychological stress suppresses vagal tone, which reduces acetylcholine release, thereby removing an inhibitory brake on systemic inflammation and establishing a bidirectional feedback loop between autonomic imbalance and chronic inflammation.

Source: 33% Drop in Visceral Fat Without Diet and Exercise (nervous system trick)

What the research says

Supports is higher

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

Supports
39score
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.

How it works
1 study reviewed
In plain English

When you're under a lot of stress, your body's natural calming system slows down, which lets inflammation run wild—and that inflammation can make you feel even more stressed, creating a cycle.

See the scientific wording

Psychological stress suppresses vagal tone, reducing acetylcholine release, which removes a key inhibitory brake on systemic inflammation, creating a bidirectional feedback loop between autonomic imbalance and chronic inflammation.

What the research says

1 study
  1. Study: Stress and Heart Rate Variability: A Meta-Analysis and Review of the Literature

    When people are stressed for a long time, their body’s natural calming system (the vagus nerve) slows down, which can make inflammation worse — this study shows that stress really does quiet down this calming system.

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

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.