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Ever hear your joints clicking, creaking, or crunching? Now, researchers say a new technique that listens closely to knees may help doctors diagnose and monitor osteoarthritis. In the new study, researchers attached small microphones to participants' knees, which allowed them to listen for high-frequency sounds as the person repeatedly stood up and sat down again. Computer analysis of the sounds then provided information about the health of the knee, the study authors explained. This study is the first

Nearly a third of U.S. heart patients die at home, which is more than the number who die in the hospital, according to a new study. Researchers examined data on more than 12 million heart disease patients who died between 2003 and 2017. They looked at whether the deaths occurred in a hospital, home, nursing or long-term care facility, inpatient hospice, or elsewhere (outpatient medical facility, emergency department, or dead-on-arrival at the hospital). The number of heart