From forgetfulness to diagnosis: Why early detection of Alzheimer’s matters

As people start becoming older, it is natural for them to occasionally forget someone’s name, misplace an item, or take some more time to remember a familiar word. In most cases, these are just normal signs of aging and nothing much to worry about. However, when forgetfulness begins to interfere with routine of daily life, like struggling to follow conversations, losing track of dates, or repeatedly asking the same questions, it can be an early warning sign of Alzheimer’s disease.
Alzheimer’s is the most common cause of dementia, a range of neurological conditions affecting the brain that worsen with time. These conditions lead to the loss of the ability of the person to think, remember, and reason, negatively affecting daily activities and quality of life. The onset of Alzheimer’s is not sudden. The changes in the brain begin years before the first symptoms manifest. This long “silent phase” is why early detection is so important. Identifying Alzheimer’s in early stages not only helps prepares patients and families for the inevitable, it also opens the door for prompt medical treatment and lifestyle changes that can slow down progression of the disease.

One of the biggest challenges in diagnosing Alzheimer’s is that its early symptoms come across as normal aging or stress. A person may ignore their forgetfulness with a laugh, or family members dismiss it as “just getting old.” Memory decline is often seen as a normal part of aging, which delays the patient from seeking treatment. By the time people try to get help, the disease may have already advanced.
One must keep in mind that there is a key difference between memory loss related to age and Alzheimer’s. In normal aging, you may forget for a moment where you parked your vehicle, but you will remember it eventually. In Alzheimer’s, the memory may never return, and the forgetting keeps getting repetitive and disruptive to daily life. Recognizing this can help families suspect Alzheimer’s in early stages and seek medical intervention sooner than later.

There are many benefits if Alzheimer’s is detected early. First, a confirmed diagnosis provides clarity to family members. It helps explain the patient’s confusing behaviours and reduces uncertainty about the cause. Second, the patient can get latest medicines and treatments, many of which work best when given at the earliest stages of the disease, before extensive brain damage has occurred.
Third, an early diagnosis gives families time to plan for funds and lifestyle changes while the patient is still able to think coherently. Emotional preparation and counselling also make the journey less difficult for patients and families both. From a medical perspective, early detection means doctors can manage co-existing conditions like diabetes or hypertension much more aggressively, since these can worsen cognitive decline.

Advances in medical technology have made it much easier now to diagnose Alzheimer’s in earliest stages. PET scans and MRI detect changes in brain activity and structure. Simple cognitive tests in the clinic can highlight areas of concern. Blood-based biomarkers and genetic tests are also emerging as promising tools for early identification.
Even regular health check-ups play a major role in detection. Doctors can spot subtle changes in memory or cognition over time. It is important to encourage older adults to undergo routine neurological assessments.

While there is no cure for Alzheimer’s, living a healthy lifestyle can delay its onset or slow down progression. Regular physical exercise, a balanced diet rich in fruits, vegetables, and omega-3 fats, adequate sleep, staying socially engaged, and keeping the brain active through reading, puzzles, or learning new skills are all important because these make the brain more resilient against neurodegenerative disorders.
In the fight against Alzheimer’s, time is our greatest ally – the earlier the diagnosis, the better the outcomes and quality of life, and the better prepared the patients and family are for the challenges ahead.

Dr Kunal Bahrani, Clinical Director & Head of Department – Neurology, Marengo Asia Hospitals, Faridabad (NCR)