In her early 30s, Kelly was suddenly plagued by a series of inexplicable health issues, from severe heartburn to rapid weight gain, leaving doctors utterly baffled. Misdiagnosed and even subjected to brain surgery, Kelly’s journey took a shocking turn with an unexpected genetic revelation. * * * * * * ****** SPOILER ALERT BELOW ****** To find out more about polymorphism or the work of the Mayo Clinic, you can visit their website at MayoClinic.org.