The Claim

Activation of the sympathetic nervous system may contribute to the development of thyroid dysfunction following traumatic brain injury, as suggested by observed correlations between the degree of neurologic impairment and alterations in endocrine function.

Source: Thyroid test abnormalities in traumatic brain injury: correlation with neurologic impairment and sympathetic nervous system activation.

What the research says

Supports is higher

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

Supports
20score
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

After a serious head injury, the body's stress system might mess with the thyroid gland, which could explain why some people have hormone problems afterward.

See the scientific wording

Sympathetic nervous system activation may play a role in causing thyroid dysfunction following traumatic brain injury, based on observed correlations between neurologic impairment and endocrine changes.

What the research says

1 study
  1. Study: Thyroid test abnormalities in traumatic brain injury: correlation with neurologic impairment and sympathetic nervous system activation.

    After a serious head injury, the body’s stress system gets overactive, and this seems to mess with the thyroid gland’s function — the more hurt the brain, the worse the thyroid gets.

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

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