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Concussion has become a major public health concern. One of the predominant questions is: When is it safe to return to play after a concussion?
Randal J. Thomas, M.D., director of Mayo Clinic's Cardiovascular Health Clinic, and colleagues found that patients who participate in cardiac rehabilitation after having heart interventions have a 45 percent lower mortality rate.
Mayo Clinic research shows a correlation between inadequate vitamin D levels and the amount of narcotic medication taken by patients who have chronic pain. This correlation is an important finding as researchers discover new ways to treat chronic pain.