Dolly Parton’s sister says she has been “up all night praying” as the singer continues to deal with unspecified health problems. Freida Parton added that her 79-year-old sibling “hasn’t been feeling ...

Researchers have developed the first-ever blood test that can diagnose myalgic encephalomyelitis, also known as chronic fatigue syndrome (ME/CFS). There is no current test for the condition and medics ...