Drug abuse; and worlds most expensive cities
8:30am-9:15am: drug abuse among young people\n\n8:30am-9:15am: Sky Siu, Executive Director, KELY Support Group\n\n8:30am-9:00am: Dr Vanessa Wong, specialist in psychiatry; worked in the Hospi-tal Authority addiction psychiatry unit\xa0\n\n9:15am-9:30am: world\u2019s...