Elderly Hongkongers and people with chronic illnesses should protect themselves from illnesses arising from high humidity by using dehumidifiers and removing mould, a doctor and a community advocate have said, as damp conditions are expected to persist until the end of the week.They said the public should be better informed about the health risks posed by the damp weather, cautioning that high moisture encouraged mould that could cause breathing difficulties in asthmatics, while humid and hot...