Forgetting a name now and then is common. Misplacing your keys once in a while is too. But when memory loss starts to happen often or begins to affect daily life, it may be time to take a closer look. Alzheimer’s disease is a brain disease that affects memory, thinking and behavior.
In the United States, more than seven million Americans aged 65 and older are living with Alzheimer’s, and that number is expected to rise to 13 million by 2050. In New York State alone, about 426,500 adults age 65 and older have the disease, including more than 61,000 people on Long Island.
As the population ages, these numbers are expected to grow, meaning more families will face the challenges of Alzheimer’s. The disease also has a significant impact on public health, contributing to more than 3,200 deaths each year in New York.
If you are worried about yourself or someone you love, try not to panic. Memory problems do not always mean Alzheimer’s. Still, knowing the signs can help you decide when to seek help. Early screening and diagnosis are important because they can help people access treatment, plan for the future and connect with support services sooner.
In this article, you’ll learn about the early signs of Alzheimer’s disease, the difference between dementia and Alzheimer’s and when memory loss may be serious enough to see a doctor.
What Is Alzheimer’s Disease?
Alzheimer’s disease is a condition that slowly damages the brain. Over time, it can affect:
- Memory
- Thinking
- Language
- Behavior
- Daily tasks
Many people first notice small changes. A person may forget recent conversations, ask the same question many times or struggle with tasks that used to feel easy. These symptoms usually get worse over time.
Why Are More People Being Diagnosed?
There are a few main reasons:
- People are living longer
- Age raises the risk of Alzheimer’s
- Doctors are better at noticing symptoms earlier
This does not mean every older adult will get Alzheimer’s. But it does mean more families are looking for answers about memory loss and brain health. Finding Alzheimer’s early may help people get care and support sooner.
Early Signs of Alzheimer’s Disease
This is often the biggest question people have. The early signs of Alzheimer’s can be easy to miss at first. Early signs may seem like normal aging, stress or simple forgetfulness. The difference is that Alzheimer’s symptoms happen more often and start to affect daily life.
Early Symptoms Families May Notice
- Repeating questions again and again
- Forgetting recent conversations
- Misplacing items often
- Missing appointments
- Getting lost in places that should feel familiar
- Trouble following directions
- Difficulty managing bills or medications
- Struggling to find the right words
- Taking longer to finish familiar tasks
Alzheimer’s can also disrupt working memory, which makes it harder to hold onto and use information in the moment, such as remembering why you entered a room or following multi-step instructions.
Symptoms Are More Than Normal Forgetfulness
Not every memory slip is a warning sign. Stress, poor sleep, depression and other health problems can also cause memory loss.
Here is a simple comparison:
| Common Aging | Possible Alzheimer’s |
|---|---|
| Forgetting a word sometimes | Repeating the same stories often |
| Losing keys once in a while | Frequently misplacing things and not finding them |
| Missing one payment | Trouble handling finances regularly |
| Forgetting why you walked into a room | Getting lost in familiar places |
| Needing a reminder now and then | Forgetting recent events again and again |
This is why memory loss alone does not tell the whole story. What matters most is whether the problem is becoming a pattern and making daily life harder.
Symptoms May Get Worse Over Time
As Alzheimer’s gets worse, symptoms may become more serious. A person may have:
- Greater confusion
- More mood or personality changes
- Trouble recognizing familiar people
- More problems with speaking or understanding
- A growing need for help with daily tasks
Dementia vs Alzheimer’s
Many people confuse dementia with Alzheimer’s disease, but they are not the same thing.
Dementia is the umbrella term for a group of symptoms that affect memory, thinking and daily life. The most common cause of dementia is Alzheimer’s disease, however other conditions can also cause dementia.
When Should Someone See a Doctor?
If memory changes are happening often, it’s a good idea to talk to a doctor. A doctor visit may be important if:
- Symptoms happen often
- Daily life is becoming harder
- Family members notice clear changes
- Confusion is causing safety concerns
- Symptoms keep getting worse
- The person gets lost, misses medicine or forgets important tasks
It can help to write down what you notice before the appointment. That way, you can share real examples.
How Doctors Check for Alzheimer’s
Doctors may use several tools, such as:
- Questions about symptoms
- A health history review
- Memory and thinking tests
- Blood tests
- Brain scans in some cases
Getting checked early may help rule out other conditions and connect people with support sooner.
Who Is Most at Risk for Alzheimer’s?
Some people have a higher risk of developing Alzheimer’s than others. While there is no single cause, a few factors are linked to a higher risk over time, including:
- Older age
- Family history, such as a parent, brother or sister with Alzheimer’s
- Lifestyle habits, including low physical activity, poor sleep and an unhealthy diet
- Health conditions such as high blood pressure
What Is Early Onset Alzheimer’s Disease?
Early-onset Alzheimer’s disease happens before age 65. While it’s less common, it can affect people in their 40s and 50s.
Because many people think Alzheimer’s only affects older adults, the early signs may sometimes be overlooked. A person may be told they are stressed, overworked or distracted when something more serious is going on. That is why it’s important to pay attention to ongoing memory or thinking changes and talk with a doctor if symptoms continue.
Can Alzheimer’s Disease Be Cured?
There is no cure for Alzheimer’s disease right now, but treatment and support can still help people live safely and comfortably for as long as possible. Early care may help manage symptoms, support daily routines and improve quality of life for both patients and caregivers.
Treatment and Support
A care plan may include:
- Medicines that help with some symptoms
- Routines that make daily life easier
- Regular doctor visits
- Help with planning and safety
- Support for mood, sleep or behavior changes
- Changes to living arrangements or home safety as care needs increase
While there is no guaranteed way to prevent or cure Alzheimer’s disease, healthy habits may help support brain health as people age. Small daily choices can also improve overall health and quality of life.
Healthy Habits for Brain Health
Helpful habits include:
- Staying physically active with regular walks, exercise or movement
- Getting enough sleep each night
- Eating balanced meals with fruits, vegetables, whole grains and lean proteins
- Managing health conditions such as high blood pressure, diabetes and high cholesterol
- Staying socially connected with family, friends or community groups
- Keeping the brain active by reading, learning new skills, doing puzzles or trying hobbies
- Avoiding smoking and limiting alcohol use
Doctors also encourage regular checkups, especially if memory or thinking changes begin to appear.
Caring for a Loved One with Alzheimer’s
Family support can make a big difference. Helpful steps include:
- Using reminders and labels
- Keeping a regular routine
- Going to appointments together
- Speaking calmly and clearly
- Making the home safer
- Being patient during confusing moments
Good care focuses on both safety and dignity. It is also important for caregivers to ask for help when they need it. Support groups, community programs and respite care can help families manage stress and avoid burnout.
Frequently Asked Questions About Alzheimer’s
What causes Alzheimer’s disease?
The exact cause of Alzheimer’s is not fully understood. Researchers believe it likely develops from a mix of factors, including age, genetics, overall health and lifestyle.
What are the first signs of Alzheimer’s?
Early signs often include memory loss, confusion, trouble finding words and difficulty doing familiar tasks.
What is the difference between dementia and Alzheimer’s?
Dementia is a group of symptoms. Alzheimer’s disease is one type of dementia.
Can younger people get Alzheimer’s?
Yes. Early-onset Alzheimer’s can happen before age 65, though it’s less common.
Is it hereditary?
Family history may raise risk, but genes are only one part of the picture. Having a relative with Alzheimer’s does not mean you will definitely get it.
Repeated memory loss, confusion and trouble with familiar tasks may be signs that something more serious is going on. If symptoms are starting to affect daily life, do not ignore them. Track what you notice, talk with family members and speak with a healthcare professional. Getting help early can bring answers, support and clear next steps.
The Stony Brook Center of Excellence for Alzheimer’s Disease is a program of the Department of Psychiatry and Behavioral Health, a part of Stony Brook University Neurosciences Institute. It is one of 10 centers in New York State based in a large hospital setting and funded in part by the New York State Department of Health. In 2016, Stony Brook applied for and received a grant to become a Center of Excellence for Alzheimer’s Disease. Over the last 10 years, we’ve offered a comprehensive list of services for patients and families impacted by Alzheimer’s disease. Learn more about the Center for Excellence for Alzheimer’s Disease.
