Forgetting Small Things Lately? Expert Explains Why It May Not Be More Than Ageing

Health

oi-Susmita Sharma

By Susmita Sharma

Monday, June 22, 2026, 13:35

For many people in their thirties and forties, memory complaints begin quietly. A misplaced wallet. A forgotten callback. Walking into a room and losing track of why you entered. The immediate assumption is often unsettling: "Is this early ageing?" In clinical practice, however, the answer is usually more nuanced - and far less alarming.

The brain does not operate in isolation. Memory is deeply influenced by sleep, stress hormones, attention, emotional health, nutrition, and even the pace at which modern life demands mental multitasking. What many people describe as "forgetfulness" is often not a failure of memory itself, but a failure of attention at the moment information was first received.

We spoke to Dr Raveesh Sunkara, Senior Consultant, Neurosurgery, Arete Hospitals, Gachibowli, who explained why forgetfulness is beyond ageing.

When the Brain Is Overloaded

A healthy brain can only store what it has properly registered.

One of the most overlooked contributors is chronic mental overload. The brain is not designed to process continuous notifications, fragmented conversations, back-to-back meetings, and prolonged screen exposure without consequence.

"Neurologically, sustained cognitive clutter weakens concentration, and concentration is the gateway to memory formation. Patients frequently say, "I forgot where I kept my keys," but on deeper questioning, they often admit they were simultaneously answering messages, speaking on the phone, or mentally preoccupied when they placed them down," shared Dr Sunkara.

Why Poor Sleep Is Quietly Erasing Your Memory

Sleep deprivation is another major factor masquerading as cognitive decline. During deep sleep, the brain consolidates short-term experiences into long-term memory pathways. "Even modest reductions in sleep quality over weeks can produce noticeable lapses in recall, word-finding, and mental sharpness. In younger adults, especially, irregular sleep schedules now account for a significant proportion of subjective memory complaints seen in outpatient neurology clinics," added Dr Sunkara.

Stress Leaves a Neurological Footprint

Stress also leaves a measurable neurological imprint. Elevated cortisol levels interfere with hippocampal function - the part of the brain heavily involved in learning and memory. "People under prolonged emotional strain often describe a "foggy" mind, difficulty retaining information, or feeling mentally slower than usual. This is not imagined. Functional brain imaging studies increasingly demonstrate how chronic stress alters cognitive efficiency, even in otherwise healthy individuals," explained Dr Sunkara.

The Hidden Health Causes Worth Checking

Nutritional deficiencies deserve equal attention. Low vitamin B12, iron deficiency, dehydration, excessive alcohol use, and uncontrolled diabetes can all affect concentration and memory. Thyroid problems are another frequently overlooked cause, and thankfully, one that is often treatable. Quite often, patients notice a clear improvement in mental sharpness once these underlying health issues are identified and managed properly.

Importantly, true neurodegenerative memory disorders usually present differently. Early dementia is not simply forgetting names occasionally or misplacing spectacles. More serious warning signs are repeating the same questions often, losing one's way in familiar places, trouble handling medicines or money, clear changes in behaviour, or lapses in judgment that begin to affect day-to-day living. The distinction matters because ordinary forgetfulness, though frustrating, is extremely common and often reversible.

Not Every Memory Lapse Is Dementia

The way memory changes with age is also misunderstood. Ageing does slow processing speed slightly, but healthy ageing does not erase functional independence or erase meaningful memories. Many older adults remain cognitively sharp well into advanced age. What changes more often is retrieval speed - the brain may take longer to access information, but the information itself is still intact.

How to Protect Your Memory Going Forward

Protecting memory, therefore, is less about "brain games" and more about preserving overall neurological health. Consistent sleep, physical activity, social interaction, stress regulation, and periods of uninterrupted focus all strengthen cognitive resilience. Even brisk walking has been shown to improve blood flow to memory-related brain regions.

Bottomline

Perhaps the most reassuring reality is this: occasional forgetfulness is not automatically a sign of decline. In modern life, an exhausted and overstimulated brain often behaves like a distracted one. The solution is not panic, but attention to sleep, stress, health, and the rhythm at which the mind is expected to function every day.

Disclaimer: The information provided in this article is for general informational and educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or a qualified healthcare provider with any questions you may have regarding a medical condition.