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For the person with the diagnosis · Your relationships

Still Their Parent

You were diagnosed while you still have school runs, homework and teenagers. Most of what is written about dementia is not written for you. This is.

Key takeaways

  • You are not as rare as it feels. A 2021 analysis in JAMA Neurology estimated a global prevalence of young-onset dementia of 119 per 100,000 people aged 30 to 64, which is roughly 200,000 people in the United States.
  • Getting diagnosed often took years. In one study, young-onset dementia took about 4.4 years from first symptoms to diagnosis, so your children may already have lived through a confusing stretch.
  • Children cope better with a simple, honest explanation than with unexplained changes. Keep telling them, in small pieces, as they grow and as things change.
  • Protect their childhood. Older children often start helping. Some help is fine. Becoming your main caregiver is not, and it is worth planning so that does not happen.
  • Most young-onset Alzheimer's is not directly inherited. Fewer than 1% of Alzheimer's cases are caused by single inherited genes. If your children ask about their own risk, a genetic counselor is the right person to talk to.

Am I alone in this?

No, though it can feel that way. Young-onset dementia is less common than late-onset, but it is not rare.

A 2021 analysis in JAMA Neurology pooled 95 studies and estimated that young-onset dementia, starting before age 65, affects about 119 of every 100,000 people aged 30 to 64. Applied to the United States, that is roughly 200,000 people, and the authors thought it was probably an underestimate.

Most support groups, articles and services are built around people in their seventies and eighties, and their adult children. If you are 50 with a teenager at home and a mortgage, that can leave you feeling invisible. It is worth looking for young-onset support groups specifically. The Alzheimer's Association and several other organizations run them, many online.

How do I tell my children?

Simply, truthfully, and more than once. They have probably noticed something already.

Diagnosis often takes years in younger people. A 2013 study found an average of about 4.4 years from first symptoms to diagnosis for young-onset dementia, compared with 2.8 years for later onset. That means your children may have lived through a stretch of forgotten plans, irritability or changes nobody could explain. An honest explanation often comes as a relief.

Our article Telling the People You Raised has more on what to say at different ages.

How do I keep being their parent?

Focus on the parts of parenting that are about presence and values, and share the logistics with others.

Some parenting tasks will get harder: schedules, forms, homework help in subjects that move fast, driving. Others do not depend on memory at all: being there, listening, encouraging, showing them who you are and what you believe.

How do I protect their childhood?

Accept some help from them, but plan so that they do not become your main caregiver.

Older children often start helping without being asked: reminding, driving, covering for you. Some of that is normal and can even feel good to them. But children and teenagers who take on major caring roles can fall behind at school, lose time with friends and carry worry they do not talk about.

Will my children get it too?

Usually, no. Most young-onset Alzheimer's is not caused by a single inherited gene. A genetic counselor can help you and your family understand your specific situation.

Fewer than 1% of Alzheimer's cases are caused by single inherited gene mutations that pass directly from parent to child. These tend to cause symptoms at a young age and run strongly in families. Most people with young-onset Alzheimer's do not have one of these mutations.

If your children, especially adult children, ask about their own risk, do not try to answer it alone. A genetic counselor can explain what testing can and cannot tell them, and help them decide whether they want to know. The National Society of Genetic Counselors has a directory.

What about money and work?

Plan early, before leaving work. The order you do things in can change what you receive.

Young-onset dementia often arrives in the most expensive years of life: a mortgage, children at home, college ahead. Early-onset Alzheimer's is on Social Security's Compassionate Allowances list, which fast-tracks disability claims, and your children may be eligible for benefits on your record too. Read your employer's long-term disability policy before you resign. Our articles Telling Work and on young-onset dementia and money go through the details.

Frequently asked questions

How many people have young-onset dementia in the US?
A 2021 analysis in JAMA Neurology estimated a global prevalence of 119 per 100,000 people aged 30 to 64, which works out to roughly 200,000 people in the United States. The authors noted this is probably an underestimate.
How do I explain young-onset dementia to my children?
Use the real name of the illness in words that fit their age, reassure them it is not their fault and not contagious, tell them what will not change, and expect to answer questions again over time. Let their school counselor know.
Will my children inherit early-onset Alzheimer's?
Usually not. Fewer than 1% of Alzheimer's cases are caused by single inherited gene mutations. These run strongly in families. A genetic counselor can explain your family's specific situation and what testing can and cannot tell your children.
Can my children get Social Security benefits if I have early-onset Alzheimer's?
Possibly. When a parent receives Social Security disability benefits, eligible children may also receive benefits on that parent's record. Early-onset Alzheimer's is on the Compassionate Allowances list, which fast-tracks the disability decision. Check with Social Security for your family's eligibility.
How do I stop my teenager from becoming my caregiver?
Make an adult plan for your care, ask your teenager directly how they are coping, find them their own support, and keep their activities and friendships going. Some help is fine; carrying the main caregiving role is not.

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Sources

  1. Hendriks S, Peetoom K, Bakker C, et al., "Global Prevalence of Young-Onset Dementia: A Systematic Review and Meta-analysis," *JAMA Neurology*, 2021.
  2. van Vliet D, de Vugt ME, Bakker C, et al., "Time to diagnosis in young-onset dementia as compared with late-onset dementia," *Psychological Medicine*, 2013.
  3. National Institute on Aging, "Alzheimer's Disease Genetics Fact Sheet," nia.nih.gov.
  4. Social Security Administration, "Compassionate Allowances" and "Benefits for Children," ssa.gov.
  5. Alzheimer's Association, "Talking to Kids About Alzheimer's and Dementia," alz.org.
  6. National Society of Genetic Counselors, "Find a Genetic Counselor," findageneticcounselor.nsgc.org.
Peer support and education, not medical, genetic, legal or financial advice. Talk to a genetic counselor about inherited risk, and to Social Security and a benefits professional about your family's eligibility.