More than 10 per cent Delhiites suffer from lung diseases like asthma, bronchities, and empysema. Part of the problem is due to the high levels of pollution, in which Delhi ranks fourth in the world. There has been an increase in efforts to formulate guidelines to educate the ashtma patients about tackling the disease as well as treatment guidelines for pulmonologists for better management of the disease. With this purpose, Better Breathers Club of India, a voluntary organisation, is organishing a seminar at the Indian Habitat Centre on Sunday at 6.30 p.m.