New Delhi (PTI): More than 10 million older adults aged 60 or over in India may have dementia, comparable to the prevalence rates for countries such as the US and the UK, according to a first-of-its-kind study.

The research, published in the journal Neuroepidemiology, used an artificial intelligence (AI) technique known as semi-supervised machine learning to analyse data from 31,477 older adults.

The international team of researchers found that the prevalence rate of dementia in adults aged 60 or over in India could be 8.44 per cent -- equating to 10.08 million older adults in the country.

This compares to prevalence rates recorded in similar age groups of 8.8 per cent in the US, 9 per cent in the UK and between 8.5 and 9 per cent in Germany and France, they said.

The prevalence of dementia was greater for those who were older, were females, received no education, and lived in rural areas, the researchers found.

"Our research was based on the first and only nationally representative aging study in India with more than 30,000 participating older adults in the country," said Haomiao Jin, co-author of the study and Lecturer in Health Data Sciences at the University of Surrey, UK.

"AI has a unique strength in interpreting large and complex data like this, and our research found that the prevalence of dementia may be higher than prior estimates from local samples," Jin said in a statement.

The research team from the University of Surrey, University of Southern California, University of Michigan, both in the US, and All India Institute of Medical Sciences, New Delhi developed an AI learning model.

The model was trained on data, which consisted of 70 per cent labelled dataset with dementia diagnoses from a novel online consensus.

The remaining 30 per cent of the data was reserved as a test set to assess the AI's predictive accuracy.

The AI taught itself to predict dementia status for unlabelled observations without dementia diagnoses in the dataset.

"As we are seeing with this research, AI has a huge potential to discover patterns in complex data, improving our understanding of how diseases impact people across very different communities to support the development of precision medical interventions to save lives," Professor Adrian Hilton, Director of the University of Surrey's Institute for People-Centered AI, added.

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New Delhi, Sep 24: The Congress on Tuesday cited BJP MP Kangana Ranaut's purported remarks on farm laws to allege that the ruling party was making efforts to bring back the three laws that were repealed in 2021, and asserted that Haryana will give a befitting reply to it.

The Congress shared on X an undated video of Ranaut in which she is purportedly saying in Hindi, "Farm laws that have been repealed should be brought back. I think this may get controversial. The laws in farmers' interest be brought back. Farmers should themselves demand this (to bring farm laws back) so that there is no hindrance to their prosperity.

"Farmers are a pillar of strength in India's progress. Only in some states, they had objected to farm laws. I appeal with folded hands that farm laws should be brought back in the interest of farmers."

In a post in Hindi along with the video, the Congress said, "The three black laws imposed on farmers should be brought back: BJP MP Kangana Ranaut has said this. More than 750 farmers of the country were martyred, only then did the Modi government wake up and these black laws were withdrawn."

Now BJP MPs are planning to bring back these laws, the Congress alleged.

"The Congress is with the farmers. These black laws will never return, no matter how hard Narendra Modi and his MPs try," the opposition party said on X.

Congress spokesperson Supriya Shrinate also shared the video of Ranaut on X and said, "'All three farm laws should be brought back': BJP MP Kangana Ranaut. More than 750 farmers were martyred while protesting against the three black farmer laws. Efforts are being made to bring them back."

"We will never let that happen. Haryana will answer first," she said in an apparent reference to the assembly polls in Haryana.

Congress' media and publicity department head Pawan Khera also shared the video on X and said it was the BJP's "real thinking".

"How many times will you deceive the farmers, you two-faced people?" Khera said in a post in Hindi.

The three laws -- Farmer's Produce Trade and Commerce (Promotion and Facilitation) Act; The Farmers (Empowerment and Protection) Agreement of Price Assurance and Farm Services Act; and The Essential Commodities (Amendment) Act -- were repealed in November 2021.

The farmers' protest started at the fag-end of November 2020 and ended after Parliament repealed the three laws. The legislations came into force in June 2020 and were repealed in November 2021.