Biofeedback is a concept that has been around for quite awhile. In the last 30 years, one specific area of interest has been heart rate variability (HRV). Using biofeedback systems to increase heart rate variability to the level of resonance may reduce inflammation and improve health. This week, Rev. Tara explores this strategy, as reported by author Jo Marchant, in her book, Cure . All are welcome to come to this free class which begins at 7 pm in the sanctuary. There's no need to sign up ahead.