Our 'inner salamander' could help treat arthritis, study finds

Researchers say they have found fresh evidence that adults can produce new cartilage.Photograph: BSIP/UIG via Getty ImagesContrary to popular opinion, humans can regrow cartilage in their joints, researchers have found. Experts hope the research could lead to new treatments for a common type of arthritis.Osteoarthritis, in which joints become painful and stiff, is the most common form of arthritis and is thought to cause pain in about 8.5 million people in the UK alone. It is caused by a breakdo