In the first of a five-part Health Matters wellness series on ageing in Hong Kong, Fiona Sun examines rising social isolation among the elderly, its serious health risks and how activities and community support are helping seniors stay socially engaged. Chow Kam-shim, 92, and her husband Lau Moon-wing, 100, still face off against opponents every day on the boccia court at their residential home for the elderly in Hong Kong’s Po Lam. Focused and steady, the couple send coloured leather balls...