<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.karibu watu wa 50 wanakabiliwa na ugonjwa wa shida, na idadi hiyo inatarajiwa kuwa mara tatu katika miongo mitatu ijayo.  <response>: an estimated 50 million people worldwide currently suffer from the disease, and it is feared that the number will triple in the next three decades. 