Heritability of the Fibromyalgia Phenotype Varies by Age.
Diptavo DuttaChad M BrummettStephanie E MoserLars G FritscheAlexander TsodikovSeunggeun LeeDaniel J ClauwLaura J ScottPublished in: Arthritis & rheumatology (Hoboken, N.J.) (2020)
Younger individuals appear to have a much stronger genetic component to the FM score than older individuals. Older individuals may be more likely to have what was previously called "secondary FM." Regardless of the cause, these results have implications for future genetic studies of FM and associated conditions.