About 25% of all the people on earth are infested by various kinds of worms (helminths). Nearly all these people live in less-developed countries.
Izelle Theunissen, MRC News Kidney stones are a painful reality many people have to live with. But they are also very expensive - with an estimated annual cost to the country of R80 million. Fortunately, Prof. Allen Rodgers, an MRC-supported researcher at the University of Cape Town, is one step closer to solving the problem. Kidney stones are a world-wide problem, with 10-15 % of the general population being affected.