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Eating habits revealed by wearable cameras and AI

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NO single tool can accurately measure people’s diets, but new research shows that combining different methods — from wearable cameras to analysing dietary biomarkers — could be the most reliable picture of what people eat.

In a review published in ‘Nature Food’, an international team of scientists highlights long‑standing problems with traditional self‑reported dietary tools, which often rely on memory and guesswork and place a heavy time burden on participants.

These limitations make it difficult for researchers and policymakers to reliably link diet with health outcomes, and to understand how diets are changing in response to global sustainability challenges.

The review brings together emerging evidence from nutrition science, metabolomics, microbiome research, computer vision and sensor technologies.

Dr Thomas Wilson, from Aberystwyth University’s Department of Life Sciences and a co‑author on the review, said: “Accurately capturing what people eat and drink is one of the biggest challenges in nutrition research. Traditional methods rely heavily on self‑reporting, which we know is imprecise. By integrating modern tools – such as biological biomarkers and digitally assisted reporting – we can dramatically improve accuracy while reducing the burden on participants. This opens the door to much more reliable research and helps us better understand the role of diet in long‑term health.”

The paper highlights new technological advances, from wearable cameras that capture meals in real time, identifying foods and estimating portion sizes with the help of artificial intelligence, and smartphone apps that prompt users to reduce memory‑related errors.

The authors also highlight biomarkers of food intake (BFIs) as a promising advancement in dietary assessment.  BFIs detect chemicals in urine, blood or poo that correspond to specific foods or dietary patterns, offering objective insights into what people have eaten.

The authors emphasise that no single technology can solve all the challenges of dietary assessment. Instead, they propose an integrated, flexible framework that can be tailored to different research settings – from controlled dietary interventions to large‑scale population studies.

The authors argue that emerging dietary assessment tools will be essential for advancing precision nutrition, improving dietary recommendations, and supporting evidence‑based policies for human and planetary health.

Dr Wilson added: “As we confront global challenges – from rising diet‑related diseases to the need for more sustainable diets – getting a clearer picture of what people truly eat is crucial. The technologies now emerging give us a real opportunity to build the next generation of dietary assessment and, ultimately, to support healthier lives and food systems.”

The international research was led by scientists from the University of Copenhagen, in collaboration with Aberystwyth University, Medical University of Graz, the Institute for Systems Biology in Seattle, and Wageningen University & Research.

 

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Welsh Labour promises right to read and play for every child in Wales

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New fund would expand toy libraries and automatically register babies for library cards

EVERY child in Wales will have an equal right to read and play, regardless of their background, under plans announced by Welsh Labour today.

The party says that if it is re-elected in the next Senedd term, it will introduce a new programme aimed at improving access to books and toys for families across the country.

The proposals include automatic registration for a library card for every child in Wales when a baby’s birth is registered, the creation of a nationwide network of 100 toy libraries, and a new Children’s Reading and Play Fund. The fund would help pay for toys and increase the number of children’s books available in both public and school libraries.

Welsh Labour says the measures are designed to ensure that children from all backgrounds have access to resources that support learning, creativity and early development.

Cabinet Secretary for Education Lynne Neagle said the plans would help ensure no child misses out on opportunities because of their family’s financial circumstances.

“Every child in Wales should have access to books and toys, regardless of their background. No child should have to go without because their family can’t afford them,” she said.

“Books and toys are a vital part of growing up. The new Children’s Reading and Play Fund would ensure this is a right for every child in Wales and help reduce costs for families.”

Toy libraries operate in a similar way to traditional libraries, allowing families to borrow toys and return them after use. While some toy libraries already exist in parts of Wales, access is currently patchy.

Welsh Labour says its proposal would establish a national network of 100 toy libraries to ensure a more consistent offer across the country. Under the plan, the libraries would work together and receive national support and promotion.

The party argues that improving access to books and play materials can help support early literacy, learning and social development for young children while easing financial pressure on families.

Further details about the proposed Children’s Reading and Play Fund are expected to be set out as part of Welsh Labour’s programme for the next Senedd term.

 

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Community

Planed wins partnership award for Carmarthenshire wellbeing project

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Community hub supporting more than 700 people a month recognised at West Wales health and social care awards

PLANED has won the Working in Partnership Award at the West Wales Regional Health and Social Care Awards, held at Canolfan Pentre Awel.

The awards were hosted by the West Wales Regional Partnership Board and recognise projects that demonstrate strong collaboration across health, social care and community organisations.

The award celebrates the success of the Carmarthenshire Living Well Centre, a project led and managed by PLANED which has become a key hub for community support in the county.

The centre brings together a range of organisations and initiatives offering advice, wellbeing activities and support services free of charge to local residents.

PLANED said the success of the centre has been built on strong collaboration with the many projects and organisations based there, all working together to support communities across Carmarthenshire.

More than 700 people each month now access services at the centre, taking part in group sessions, receiving advice and support, and benefiting from a wide range of community-led activities.

The organisation said the award recognises not only PLANED’s leadership in developing and managing the centre, but also the collective effort of the partners delivering services from the facility.

PLANED added that it will continue seeking further funding to support the development of the centre so it can expand its work and help even more people in the future.

Representatives from the organisation said it was great to see so many partners and familiar faces at the awards ceremony, adding that the recognition belongs to everyone involved in delivering the project.

 

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Ministry of Defence

Tank fire echoes across county as live-fire exercises continue at Castlemartin

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RESIDENTS across parts of south Pembrokeshire have reported unusually loud explosions over the past week as military exercises take place at the Castlemartin Training Area.

The Ministry of Defence confirmed that live firing has been underway at the range between Monday (Mar 2) and Friday (Mar 6) as part of routine training for armoured units.

People living in Milford Haven, Neyland and surrounding communities said the blasts were noticeably louder than usual, with some reporting that the noise could be heard clearly indoors.

One resident in Milford Haven told The Herald that the sound carried across the Haven during the week.

“I’ve lived here for years and you always hear the range from time to time, but this week it seemed much louder than normal. You could hear it clearly inside the house.”

The Castlemartin Range Complex, located on the south Pembrokeshire coast between Bosherston and St Govan’s Head, is one of the UK’s main live-fire training areas for armoured units.

According to the official MOD firing notice for March, a range of weapons systems are being used during the exercises, including 120mm tank guns, mortars and heavy machine guns.

The 120mm main gun used by modern battle tanks produces extremely powerful shockwaves which can carry significant distances, particularly across water.

During some training periods the range operates during normal daytime hours, typically 7:30am to 4:45pm, but certain exercises include 24-hour firing sessions.

For safety reasons, several roads and footpaths in the Castlemartin area are closed during firing periods, including the road from Bosherston to St Govan’s Chapel and access to parts of the coastline.

A sea danger area is also enforced several miles offshore while the exercises are underway.

Castlemartin has been used by the military since the 1930s and is regularly used by armoured units training with Challenger tanks before deployment on operations or major exercises.

Live firing is scheduled to continue at intervals throughout March.

 

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