Portsmouth Herald STRATHAM — Cornerstone VNA, a local nonprofit health care provider, has announced the expansion of its service area to include the Seacoast towns of Stratham, Hampton, North Hampton, Hampton Falls and Seabrook. With the addition of these five communities, Cornerstone VNA now offers home care, hospice, palliative, private duty and community services to over 40 towns in New Hampshire and Maine. According to the organization’s leadership, the expansion meets the demand of local health care providers who wanted to offer additional home care service options to their patients. It also addresses the growing needs of the aging population in the area.