Lady Gaga opens up to Vogue about fibromyalgia and chronic pain

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As Vogue’s October cover star, “A Star Is Born” actress Lady Gaga opened up to the magazine about her constant battle with chronic pain. The star, who suffers from fibromyalgia, believes it was triggered years ago and worsened over time due to stress and pressures of fame. TODAY’s Carson Daly reports in PopStart.