Research
The robot companion that could soon be helping older people age better

A cargo-carrying robot that follows you around could be the answer to promoting healthy ageing.
Research carried out by Newcastle University in the UK has shown the gita robot (pronounced jee-ta and spelt with a lowercase ‘g’) can support the mobility and wellbeing of older people.
The findings of the world-first citizen-led study have revealed gita – which looks like an over-sized medicine ball on wheels and has been designed to follow humans – has the potential to help alleviate loneliness in independent older people by prompting conversations and social interaction, as well as encouraging walking, and fostering independence and more sustainable living.
Dr Shuo Li, a research associate at Newcastle University’s School of Engineering, and lead author of the study, said it “demonstrates how future mobility and robotic innovations have the potential to address the global challenge of ageing.”
Designed by Boston-based robotics company Piaggio Fast Forward and backed by the Piaggio Group – the makers of the iconic Vespa scooter – gita was launched onto the US market in 2019 to help make everyday life easier, smarter, and more fun for humans of all ages.
Its sole purpose is to follow people wherever they go. Moving at a speed of up to six miles an hour and able to carry a load of 18kg in its internal cargo compartment, gita communicates through sound, light, touch and 360-degree vision.
Whilst gita can’t climb stairs, it can move around buildings with lifts and ramps as well as hard surfaces like pavements.
With one in six of the world’s population predicted to be aged over 65 by 2050 and growing numbers of older people needing care, the team at Newcastle University spotted the potential for gita robots to help foster more independent and sustainable living, as well as potentially lessening the effects of loneliness and isolation.
The researchers showed videos of an older adult interacting with the gita robot in a real-world setting to a group of study participants with an average age of 75, and analysed their feedback and requirements.
They indicated that the robot would physically support them when out for a walk, removing the need to carry things like groceries, and even acting as a seat. Several participants also suggested the robot could be useful for carrying items to help support them whilst out for a walk.
According to the Newcastle University team the results have also shown that gita can facilitate social interactions, such as gaining potential attention and acting as a talking point to help kickstart conversations.

A gita robot being trialled in Newcastle in the UK
Other aspects the researchers investigated included the perceived benefits for others in the community, any issues of the human-following robots, and requirements for improvements.
Many of the participants suggested they did not yet need the support of a human-following robot, given that they could still carry belongings or drive, but indicated it could be useful for maintaining their mobility and independence if their health were to decline or their circumstances changed in the future.
Follow-up research is now underway to examine and quantify older adults’ interaction with a human-following robot in a real-world context.
The study has been published in the journal Nature Scientific Reports and is based on final-year research undertaken by former Master of Engineering (Meng) student, Kirsty Milligan, who was supervised by Professor Phil Blythe and Dr Shuo Li.
The civil engineering graduate said: “My research project was a valuable opportunity for me to try something a bit different as part of the final year of my MEng degree, and it was really interesting to explore whether such an innovative technology has the potential to support active ageing.
“I enjoyed talking to the participants and hearing their thoughts on the robot, as well as learning more about research methods and qualitative data analysis.
“It is really exciting that a paper based on my work has been published, and I hope it inspires others to further explore the use of these types of technologies by older people.
“I’ll be interested to see where future research in this area goes, and if maybe we will see these types of robots in everyday use one day.”
The gita robots are being tested by the team at the National Innovation Centre for Ageing (NICA) on Tyneside, a world-leading organisation supported by an initial investment from the UK government and Newcastle University, which is looking at ways of co-developing and bringing to market products and services to create an environment in which people can live better for longer.

Gita will follow behind and can carry up to 18kg of belongings
NICA’s director and one of the study’s co-authors is Professor Nic Palmarini. He said: “This is an example of how emerging technologies can help tackle and mitigate isolation and support older adults’ engagement in outdoor activities, a crucial driver to population’s health and longevity.
“This is a great example of what we have defined as ‘ageing Intelligence’ at work and is part of our wider research on supporting mobility for our older citizens.”
Phil Blythe, professor of Intelligent Transport Systems, and head of the Future Mobility Group at Newcastle University, who also co-authored the study, added: “We believe that research into supporting the mobility of older people and ensuring they have transport systems and services that are fit for purpose is critical for a fair and levelled up society.
“This is one of the key areas of my group’s research where we are always looking for future technologies that can improve the mobility of all.”
The researchers argue that while these robots offer advantages, there is a need for additional improvements to their design to fully support older people.
They say it is crucial to take into account the needs and demands of older individuals when creating and advancing age-friendly robots that can follow humans.
Limitations highlighted in the study include the possible negative interactions between the robot and others. The researchers suggest considering future iterations of the robot that address these concerns, such as implementing a security system that connects to a remote operator.
According to the study’s results, robot developers and innovators must focus on improving the robots’ ability to navigate kerbs, steps, and diverse terrain for them to be practical for most elderly people.
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Agetech World research and innovation round-up

We round up the latest news in agetech research and innovation, from a human trial in ‘reverse ageing’ to the launch of a domestic longevity pod.
Approval has been secured in the United States for the first human trial targeting ‘reverse ageing’.
Boston-based company Life Biosciences will shortly commence trials of its ER-100 treatment which aims to treat eye disease through reprogramming cells.
It will initially treat around a dozen patients with glaucomas – a condition where high pressure inside the eye damages the optic nerve.
Each patient will receive injections of three powerful genes into an eye in an attempt to restore host cells to a healthier state by resetting their epigenetic controls.
It is over 20 years since Dr Shinya Yamanaka’s Nobel Prize work was first able to convert adult cells into pluripotent stem cells.
This reverse cell-editing process allows the regenerated cells – just like those found in an early embryo – to develop into the different, specialised cell types.
This trial has been approved by the Food And Drug Administration (FDA) after initial trials on animals proved a success.
Michael Ringel, chief operating officer at Life Biosciences, said: “It’s an incredibly big deal for us as an industry.
“It’ll be the first time in human history, in the millennia of human history, of looking for something that rejuvenates … So watch this space.”
Inherited longevity
New research claims that longevity-inheritability accounts for around 50 per cent of human lifespan.
For many decades, scientists had rated genetics as being a relatively low factor in human lifespan – compared to other inherited traits – at between 10 per cent and 25 per cent.
However, this new study from the Israeli-based Weizmann Institute of Science, presents an entirely different picture.
Led by Ben Shenhar, a PhD student, from the lab of Prof Uri Alon of Weizmann’s Molecular Cell Biology Department, it analysed three large twin databases from Sweden and Denmark – including a dataset of twins who were raised apart.
The researchers showed that earlier heritability estimates were masked by high levels of extrinsic mortality, such as deaths caused by accidents, infections and environmental hazards.
Their findings are consistent with the heritability of other complex human traits and with findings from animal models.
“For many years, human lifespan was thought to be shaped almost entirely by non-genetic factors, which led to considerable skepticism about the role of genetics in ageing and about the feasibility of identifying genetic determinants of longevity,” said Shenhar.
“By contrast, if heritability is high, as we have shown, this creates an incentive to search for gene variants that extend lifespan, in order to understand the biology of aging and, potentially, to address it therapeutically.”
Longevity blood test
In just a few years a simple blood test should be sufficient to gauge one’s anticipated longevity, claims Dr Tan Min-Han, chief executive and medical director of Singapore and Californian-based firm Lucence.
Dr Tan believes people will be able to go to a clinic near them to take a simple blood test that can detect early signs of ageing.
The results could guide lifestyle changes, such as sleep, diet and exercise, to improve key biomarkers and slow physical decline.
Lucence was founded in 2016 as a spin-off from Singapore’s Agency for Science, Technology and Research. While incorporated and headquartered in Singapore, the company also maintains a co-headquarters in Palo Alto, California.
Since then, it has secured more than US$80m in equity funding, including US$20m in a 2019 funding round led by IHH Healthcare.
He said: “Blood tests are more acceptable and accessible as opposed to uncomfortable procedures like mammograms and colonoscopies. I believe that technology could make a lot of this better.
“Five years ago, being able to detect cancers from blood tests was science fiction. But now, we have made that a reality.”
Longevity pod
A domestic longevity pod known as the E-Salt Cabin has been launched by Eleve Health, a California-based wellness technology company
Roughly the size of a compact car – at just over eight and a half feet long – the pod combines four core therapies: halotherapy, red light therapy, oxygen delivery, and aromatherapy.
Halotherapy disperses a fine, mineral-rich mist designed to support respiratory health. Red light therapy stimulates cellular repair and regeneration. Oxygen delivery aims to improve circulation and energy levels. And custom essential oil blends add a sensory layer
The company says it can be used as a tool to ‘support circulation, clarity, and recovery within a residential setting’.
Eleve said: “The pod reflects a broader shift among ultra-high-net-worth homeowners, with wearable technology, circadian lighting, biophilic interiors, and curated soundscapes becoming standard.”
Insights
Four in ten cancer cases could be prevented globally, report finds

Up to four in ten cancer cases worldwide could be prevented, a new global analysis has found.
The study examines 30 preventable causes, including tobacco, alcohol, high body mass index, physical inactivity, air pollution, ultraviolet radiation and, for the first time, nine infections that can cause the disease.
Released ahead of World Cancer Day on 4 February, the analysis from the World Health Organization (WHO) and its International Agency for Research on Cancer (IARC) estimates that 37 per cent of all new cancer cases in 2022, around 7.1 million cases, were linked to preventable causes.
Drawing on data from 185 countries and 36 cancer types, the study identifies tobacco as the leading preventable cause of cancer, globally responsible for 15 per cent of all new cancer cases, followed by infections (10 per cent) and alcohol consumption (3 per cent).
Three cancer types, lung, stomach and cervical cancer, accounted for nearly half of all preventable cancer cases in both men and women globally.
Lung cancer was primarily linked to smoking and air pollution, stomach cancer was largely attributable to Helicobacter pylori infection (a bacterial infection of the stomach lining), and cervical cancer was overwhelmingly caused by human papillomavirus (HPV).
Dr André Ilbawi, team lead for cancer control at WHO and author of the study, said: “This is the first global analysis to show how much cancer risk comes from causes we can prevent.
“By examining patterns across countries and population groups, we can provide governments and individuals with more specific information to help prevent many cancer cases before they start.”
The burden of preventable cancer was substantially higher in men than in women, with 45 per cent of new cancer cases in men compared with 30 per cent in women.
In men, smoking accounted for an estimated 23 per cent of all new cancer cases, followed by infections at 9 per cent and alcohol at 4 per cent.
Among women globally, infections accounted for 11 per cent of all new cancer cases, followed by smoking at 6 per cent and high body mass index at 3 per cent.
Dr Isabelle Soerjomataram, deputy head of the IARC Cancer Surveillance Unit and senior author of the study, said: “This landmark study is a comprehensive assessment of preventable cancer worldwide, incorporating for the first time infectious causes of cancer alongside behavioural, environmental and occupational risks.
“Addressing these preventable causes represents one of the most powerful opportunities to reduce the global cancer burden.”
Preventable cancer varied widely between regions.
Among women, preventable cancers ranged from 24 per cent in North Africa and West Asia to 38 per cent in sub-Saharan Africa.
Among men, the highest burden was observed in East Asia at 57 per cent, and the lowest in Latin America and the Caribbean at 28 per cent.
These differences reflect varying exposure to behavioural, environmental, occupational and infectious risk factors, as well as differences in socioeconomic development, national prevention policies and health system capacity.
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