Neurogenetic Diseases

A carrier result for Leigh syndrome French Canadian type is family-planning information, not a diagnosis. Quebec research explains risk, testing and next steps.

A child can pass the newborn hearing test and still have EVA. See what a 2,774-patient study shows about hearing, dizziness, goiter, and carrier results.

Panic disorder runs in families, and twin studies tie about 43% of risk differences to genes. Yet no single panic gene exists. Here is what the research shows.

Insomnia is partly genetic. Studies of over 2 million people found hundreds of small gene effects, yet CBT-I is still the first treatment for every adult.

Is anxiety genetic? Twin studies and a 2024 study of 1.2 million people show genes play a part, but no DNA test can diagnose anxiety. Here is what that means.

Fibromyalgia runs in families, but no single gene causes it. See what 2026 studies of 2.5 million people found and what a 23andMe result really means.

A parent with Huntington's means a 50% risk. Research explains CAG repeats, reduced penetrance, predictive testing, 2026 treatment news and insurance gaps.

A 2025 study of 158,036 people with bipolar disorder found 298 genetic sites. Here is what a risk report can and cannot tell you and your family.

A 23andMe restless legs syndrome result is a population signal, not a diagnosis. Here is what the research on genes, iron, and treatment actually says.

One SACS variant makes a person a carrier, not a patient. The 2024 blood measurement, the Quebec numbers with their dates, and what US and Canadian law covers.