DHAKA (Thomson Reuters Foundation) - Scampering up the wall of his tin shack in Bangladesh's capital, three-year-old Rozzob Ali has the same combination of mischief, charm and boisterous energy as many other boys.
But the fourth of five children, all born in a Dhaka slum, Ali shows one danger sign - at 80 centimetres tall, he is a good 10 cms shorter than the ideal height for a boy his age.
