Children have delivered a surprisingly harsh verdict on when adulthood tips into old age - and it's much younger than you might think. This light-hearted video shows a group of children trying to guess the age of adults based on clues - with hilarious results.
The youngsters, aged as young as seven, were given hints about the hobbies of the older people, however, it appears the trick didn't work for some of the young ones, who incorrectly guessed more stereotypical hobbies or even 'puppet shows', rather than powerlifting, karate and rock climbing. They were shocked when they discovered that many older adults are still hitting the gym and scaling rocks well into their 40s, 50s and even 70s.
The fun footage comes as a new poll of 1,000 children aged seven to 16 reveals the top signs you're "getting on" - including listening to the radio, watching daytime TV, and complaining about aches and pains. Grumbling about the weather and doing crosswords are also seen as classic signs of old age.
But perhaps the most shocking finding is that, according to the nation's youngsters, you officially become 'old' at just 49.
Those in their 30s aren't immune from the label, either. Fifteen per cent of children said over-30s are 'old', while 18 per cent described them as 'boring'. Meanwhile, almost half of the children admitted they thought their own mums and dads were old.
Dr Pallavi Bradshaw, medical director at AXA Health Insurance which commissioned the research as part of its Future You campaign, said: "Children can have forthright views about ageing and wellbeing. But it is surprising that children consider you 'old' at 50 and even at age 30.
"We know that these stereotypes are outdated and that people are increasingly looking to maintain their health and wellbeing as they age so they can enjoy a healthier future.
"Exercising, eating right and be active - in whatever activity you like - can all play a role in making sure you live a healthy and happy life. Just because you're getting older doesn't mean you have to slow down."

According to the poll, children think the worst parts of ageing are aches and pains, wrinkles, and grey hair. Other less desirable aspects include forgetting things and needing glasses.
However, it's not all bad news. When asked what they hoped for in later life, children said they wanted to be happy, fun and healthy and suggested their are upsides to being older.
These included having more money (52 per cent), greater life experience (47 per cent), and a better understanding of the world (45 per cent).
Dr Bradshaw added: "Looking after your health is important at every age - your actions now will benefit your future self to be able to enjoy a healthy and active later life and defy age stereotypes.
"No matter if you are 30, 50 or 70 - it is never too early or too late to make changes and prioritise your health."
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