A WHO study that blames arsenic for rising levels of chronic kidney disease in Sri Lanka is in conflict with another report that points to poor quality drinking water, report Dilrukshi Handunnetti and Smriti Daniel.

Can developing countries use nanotechnology to improve health? Priya Shetty looks at nanomedicine's promise.

A healthy diet is more than just calories. Priya Shetty gets the figures on the cost of poor nutrition — and the scale of the challenge.

Many new technologies have promised to remove arsenic from drinking water but little has changed on the ground, finds T. V. Padma.

Trials of a vaccine to prevent nasopharyngeal cancer will start soon in China, where it mainly affects the Cantonese-speaking population.

Vaccines for non-infectious illness could help developing nations tackle the growing burden of chronic disease. Maryke Steffens reports.

Priya Shetty explores the truths and the myths about chronic diseases in the developing world.

Abdallah S. Daar speaks to SciDev.Net about the Grand Challenges in Chronic Non-communicable Diseases initiative.

Priorities for research into mental illness in the developing world are not the same as those in the West, writes Katherine Nightingale.

The new vaccines against cervical cancer hold out big hopes for a cure — but will poor countries get them fast enough? Jon Cohen reports.