Science News · Wetenschap

Massive Genetic Study Suggests Fibromyalgia Has Neurological Roots

A large-scale genetic analysis of 2.5 million individuals suggests that fibromyalgia, a chronic pain disorder, has a neurological basis, challenging historical views of it being purely psychological. The study, published in Nature Medicine, identifies 26 genomic regions potentially linked to the condition.

Fibromyalgia, characterized by widespread pain and fatigue, affects millions but has varied symptoms and lacks diagnostic tests, leading to misdiagnosis and skepticism from some medical professionals. While genetics are known to play a role, specific genetic links remained unclear until this study.

Researchers identified 26 genomic regions associated with fibromyalgia risk. Notably, about half of these variants are near genes involved in neural functions, such as nerve cell growth and pain sensitivity. A surprising link was found to a gene associated with Huntington's disease, though the specific mutations differ, and this does not imply a risk of developing Huntington's.

While the study points towards a primary neurological basis, other factors like the immune system may still contribute. The identified genetic variants are not yet diagnostic tools but offer directions for future research into the causes and potential treatments for fibromyalgia. The study's dataset also had limitations regarding ancestral diversity.

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