Category Genetics

A confirmed PSEN1 mutation can unlock specific anti-amyloid trials and reshape family planning decisions beyond medication alone.

Understand PSEN1 test accuracy, preparation steps, and family planning when early dementia symptoms progress.

Learn when a PSEN1 result changes care and what steps help clarify a borderline finding for families.

Clear guidance on PSEN1 results, inheritance risk, counseling steps, and insurance limits for families in a workup.

See how night-shift sleep loss affects family-linked Alzheimer's risk and which daily habits help protect your brain.

Learn what the APP, PSEN1, and PSEN2 panel shows, what to bring, and what to do next for a second opinion.

Learn which three genes the familial panel checks, why APOE differs, and how to use results at a second visit.

A clear list of what to ask before PSEN1 testing, including who the test actually applies to and what a result will and won't tell you.

A breakdown of when doctors order PSEN1 testing, who qualifies, what a result means, and whether insurance will pay for it.

PSEN1 testing drives early-onset familial Alzheimer's planning, but it rarely changes care for dementia diagnosed after 65.