 In support of the national objective to reduce smoking, HSA enforces the laws that prohibit tobacco advertisements, smoking by youths under 21 years old as well as the sale of tobacco products to youths in this age group, as well as banning sales of emerging tobacco products such as hookah and electronic cigarettes.The Blood Services Group is the national blood service of Singapore and is responsible for the adequacy and safety of the country's blood supply.It runs the Bloodbank@HSA in Outram, as well as three satellite blood banks – Bloodbank@Woodlands, Bloodbank@DhobyGhaut and Bloodbank@WestgateTower – which collects, processes, tests and distributes blood and blood components to all hospitals in Singapore.