Arthritis is one of the main causes of discomfort for knees, but stem cell research could be the key to stopping the 70,000 knee operations carried out in the UK each year.
By injecting stem cells from cartilage cells into the knees, experts hope that this would aid the regeneration of the knees and hopefully lead to similar treatments in other parts of the body.
A trial will be carried out later this year to determine the affectiveness of the treatment.
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