David thought his chronic back pain was just part of getting older. At 42, he woke up every morning with a stiff neck, aching lower back, and numbness in his arms that sometimes lasted for hours. His doctor prescribed painkillers and suggested physical therapy, but nothing provided lasting relief. H...

Jessica couldn’t figure out why she was exhausted all the time. She ate well, exercised regularly, and got 8 hours of sleep each night. Her blood work was perfect, her thyroid was fine, and her doctor couldn’t find any medical reason for her crushing fatigue. She tried vitamin supplement...