The condition affects memory, learning capacity, language ability, comprehension, cognition, judgment, and calculation.
"There is now no evidence to show that taking these supplements actually reduces the risk of cognitive decline and dementia, and in fact, we know that in high doses these can be harmful", says WHO's Technical Officer Neerja Chowdhary.More news: Realme X, Realme X Lite announced: Price, specifications and more
The risk of dementia can be reduced by cutting alcohol consumption and not smoking, part of a lengthy list of proactive ways the World Health Organization has released to help avoid cognitive decline.
Dementia is a broad category of diseases that reduce brain function beyond what might be expected from normal ageing.
According to the report, there was not enough evidence that links reduced dementia risk with social activity. However, there was not always strong evidence that dementia risk would be reduced with these steps.
Getting regular exercise, not smoking, avoiding harmful use of alcohol, controlling weight, eating a healthy diet, and maintaining healthy blood pressure, cholesterol and blood sugar levels can all help stop the onset of the disease that around 30 per cent of people aged over 85 are now living with.More news: USA suspends flights to and from Venezuela
The agency said its new recommendations could provide the key to delaying or slowing cognitive decline or dementia.
"During the last two decades, several studies have shown a relationship between the development of cognitive impairment and dementia with educational attainment, and lifestyle-related risk factors, such as physical inactivity, tobacco use, unhealthy diets and harmful use of alcohol", it said. They also serve as a knowledge base for governments, planning authorities and policymakers to develop programs and policies that will help encourage people to adopt a healthy lifestyle.
"People should be looking for these nutrients through food. not through supplements", Carrillo agreed.More news: Constance Wu’s ‘Fresh Off the Boat’ job safe after rant
"This is why WHO created iSupport. iSupport is an online training programme providing carers of people with dementia with advice on overall management of care, dealing with behaviour changes and how to look after their own health", it said.