Kennise Nevers holds her son, AJ, in her arms at household. Nevers’ mother, Nancy Josey, seems on. Jesse Costa/WBUR hide caption toggle caption Jesse Costa/WBUR Kennise Nevers retains her son, AJ, in her arms at dwelling. Nevers’ mother, Nancy Josey, appears to be like on. Jesse Costa/WBUR With each feet flat on the flooring, Kennise Nevers settles into the couch in her residing home. She peels open up a blood stress cuff, and straps it around her left arm, exhaling as it squeezes her bicep. Soon after a moment, she receives the reading through. “It is really fantastic,” says the mother of two from Brockton, Massachusetts. Nevers, 37, tracked her…