Alzheimer's does not only affect individuals. It erases living history. The grandparents who once narrated family stories slowly lose the ability to recall them. A society that values heritage cannot ignore a disease that removes memory itself
One winter morning in Pokhara, a retired schoolteacher left home to visit a nearby temple. He had taken the same path for decades. That day, he did not return. Hours later, relatives found him standing near a bus park, confused and frightened, unable to explain where he lived. The family did not call it a disease. They called it a forgetting problem.
Across Nepal, stories like this are becoming familiar. Parents misplace everyday objects, repeat the same questions, forget grandchildren's names, or wander away from home. Most families accept it as part of aging. Medicine tells a different story. Many of these cases are early symptoms of Alzheimer's disease.
For generations, Nepal fought infections, injuries, and malnutrition. Today the country is entering a different phase of health. People are living longer, and longer life brings diseases of the aging brain.
Globally, more than 55 million people live with dementia, and Alzheimer's accounts for about 60 to 70 per cent of cases (WHO, 2023). Researchers project that this number will reach nearly 139 million by 2050, with the fastest growth occurring in South Asia and other low- and middle-income regions.
Nepal is following the same path. Studies from hospitals in Kathmandu and community surveys published in the Journal of Nepal Health Research Council and Nepal Journal of Epidemiology suggest that between 5 and 8 per cent of adults over 60 show clear cognitive impairment, yet most have never received a formal diagnosis.
Memory loss is often noticed only when behaviour becomes unmanageable, such as wandering, aggression, or inability to recognise family members. By then, the disease had already progressed for years.
Alzheimer's does not appear suddenly. It develops slowly as biological changes in the brain interact with age, genes, and lifestyle risks over many years. Brain changes begin 15 to 20 years before symptoms are noticed. Early signs are subtle: a missed conversation, trouble finding words, confusion about dates. All these resemble normal aging, so families rarely seek medical help.
Several realities shape dementia care in Nepal. Culture plays a role. Respect for elders often prevents families from labeling memory loss as illness. It is explained as tension, karma, or simply old age.
Access matters even more. Most neurologists and psychiatrists are concentrated in major cities, while a large proportion of older adults live outside of them. Routine screening programmes do not exist. Blood pressure and sugar are checked regularly; cognitive testing is almost never performed.
A 2020 hospital-based study in Kathmandu reported that most dementia patients first arrive only after moderate to severe symptoms develop, often years after relatives notice the first signs. The result is predictable: treatment begins late, when the opportunity to slow decline has already narrowed.
For decades, dementia was considered unavoidable. Research now shows that up to 40 per cent of cases worldwide are linked to modifiable risk factors (Lancet Commission on Dementia Prevention, 2020). These include high blood pressure, diabetes, hearing loss, air pollution, depression, inactivity, and social isolation.
These are not rare conditions in Nepal. They are daily realities. Urban air pollution in the Kathmandu Valley has repeatedly exceeded WHO safety limits. Hypertension and diabetes are rising rapidly, according to Nepal STEPS survey data. Hearing loss often goes untreated. Older adults in migrating families increasingly live alone.
Preventing this does not require expensive technology. Community walking groups, hearing support, cleaner indoor cooking fuels, and social engagement can delay dementia by several years. Even delaying onset by five years could reduce total cases by nearly half in some populations.
Alzheimer's rarely appears in mortality statistics, but its social impact is immense. Families reorganise their lives under supervision. Spouses sleep lightly, listening to doors opening at night. Financial strain grows slowly but persistently. In Nepal, almost all dementia care happens at home and is unpaid. There are few structured caregiver support systems.
The illness removes independence while the person remains physically present, making it emotionally heavier than many fatal diseases. Caregivers often describe a painful paradox: the body stays, but the person slowly fades.
Nepal does not need advanced memory hospitals everywhere to respond. Small changes could protect thousands of lives. Simple memory screening during routine clinic visits. Training community health workers to recognise early symptoms. Public awareness that memory decline is medical, not shameful. Support groups for caregivers. Programmes targeting blood pressure, diabetes, and hearing care. Countries that introduced early detection programmes have delayed disability and reduced long-term care costs. Early attention protects years of independence later.
Alzheimer's does not only affect individuals. It erases living history. The grandparents who once narrated family stories slowly lose the ability to recall them. A society that values heritage cannot ignore a disease that removes memory itself.
Nepal once fought epidemics of infection and malnutrition. The next public health challenge will not arrive with a fever or outbreak. It will come quietly, through forgotten names, repeated questions, and empty walks home. Recognising Alzheimer's early is not only medical care. It is an act of dignity towards the generation that built the present.
Pokharel is a PhD candidate in Neuroscience and Neurological Disorder at the University of Toledo, USA