APOE4 question
How do I handle the fear, grief and overwhelm after learning I carry APOE4?
Shock, tears and months of worry are common, and in a randomised trial most people who learned they carry APOE4 did not end up more anxious or depressed. Knowing your result can make normal memory slips feel scary, and in one small study carriers who knew their result scored lower on a memory test, so lean on facts, self-compassion and other carriers. Many members say the result became the push to build habits that make them feel better now.
This is not medical advice. Phoenix educates. Your doctor decides what is right for you.
What the research and Kevin's videos say
What the research says
Grade BAPOE4-specific evidence: yes
Learning an APOE4 result tends to raise worry about the test but, on average, does not raise anxiety or depression over a year; knowing can make people judge their memory more harshly, and negative thinking habits go with faster decline in observational studies.
Key studies
Green 2009, N Engl J MedGrade B
REVEAL trial, 162 adult children of people with Alzheimer's: learning the APOE result did not raise anxiety or depression over a year; carriers had more test-related distress than non-carriers.
Read on PubMed (opens in a new tab)Bemelmans 2016, Alzheimers Res TherGrade B
Systematic review of 14 studies: disclosing APOE4 did not raise anxiety or depression but increased test-specific distress, health-behaviour change and long-term care insurance uptake.
Read on PubMed (opens in a new tab)Lineweaver 2014, Am J Psychiatry
144 healthy older adults: those who knew they carry APOE4 rated their memory worse and scored lower on a verbal memory test than carriers who did not know.
Read on PubMed (opens in a new tab)
2 more key studies
Levy 2018, PLoS One
4,765 adults over 60: APOE4 carriers with positive beliefs about ageing were about 50% less likely to develop dementia (observational).
Read on PubMed (opens in a new tab)Marchant 2020, Alzheimers Dement
Older adults: repetitive negative thinking went with faster cognitive decline and more amyloid and tau on scans (observational).
Read on PubMed (opens in a new tab)
What Kevin and experts say
Now showing: Dr. Kevin Tran · 4:06
Open on YouTube (opens in a new tab)
Kevin: learning he was 4/4 shattered his world at first.
“So when I discovered that, it shattered my entire universe.”
Dr. Kevin Tran, Founder of The Phoenix Community, Doctor of Pharmacy, APOE4/4 carrier
Taking action gives back a sense of control.
“I've done something that's very important for me, which is to maintain my sense of agency.”
Dr. Gayatri Devi, Neurologist, Park Avenue Neurology; Clinical Professor, Zucker School of Medicine at Hofstra/Northwell
Knowing your genotype makes normal lapses feel scary.
“once somebody knows that they're at risk of something happening, they start to pay attention to things that are actually just normal”
Dr. Grant Fraser, Board-certified anti-aging and family medicine physician, APOE4 carrier
Chronic rumination may raise risk.
“perseverive negative thinking, always rumination, having thoughts in your brain that are negative seem to be a risk factor.”
Dr. Sylvia Villeneuve, Researcher, McGill University (AAIC 2025 conference clips)
Last reviewed