Breaking News English

Hundreds of thousands of people have surgery [on / in] their knees. A new study from Finland says many of these people might be wasting their [times / time] and money. The surgeons who [conduction / conducted] the study said some knee surgery can make knee problems [worse / worst] rather than better. The surgeons spent 10 years studying the results [of / at] knee operations. They found that surgery on [tear / tears] in the knee cartilage [rare / rarely] worked. The doctors said many of the operations were [unnecessarily / unnecessary] . They added that some of the operations they looked at accelerated the [rate / late] of cartilage damage. One doctor said: "What has been shown dramatically is that patients who have this procedure have more [pain / painful] ."

In happier knee-related news, doctors from the University of Colorado have [discovered / discovering] a new method to [treat / treatment] chronic knee pain. Dr Leigh Casadaban has performed [simply / simple] operations on people's knees. Her method involves [reducing / reduce] the flow of blood to pain-causing [areas / area] in the knee. Less blood in [them / those] areas reduces swelling and pain. Dr Casadaban says her method is more effective [than / that] painkilling medicine and physical therapy. She also believes it means people can avoid knee surgery, [ever / even] total knee replacements. She said her method could "provide years [of / to] relief" by reducing pain inside the knee [joint / jointly] . She said 70 per cent of patients have amazing results.