New funding and concrete results are paving the way for scaling up mhealth technologies — but carefully, writes Priya Shetty.

Countries are using innovative schemes to train and retain health professionals — but they need support, says WHO expert Manuel M. Dayrit.

Health systems in developing nations aren't ready for the diseases that accompany ageing, writes Priya Shetty.

Healthcare policies and research strategies in developing countries must adapt to the new big killers, says Priya Shetty.

Diseases, and drugs used to treat them, behave differently in men and women. Drug development needs to account for this, says Priya Shetty.

Commercial antibody blood tests for TB have been declared ineffective by the WHO, but it is up to governments to halt their use, writes epidemiologist and TB researcher Madhukar Pai.

Excitement about new drug treatment for HIV prevention does not mean we should lose sight of other methods, cautions Priya Shetty.

Controversy has pressed India into action to tackle antibiotic resistance. Now other countries must do the same, says Priya Shetty.

Both fake and substandard medicines threaten public health, and efforts to tackle them must put the focus on quality, says Leena Menghaney.

Nanotech in hygiene, fake drug detection and remote diagnosis will do more for health than nanodrugs, says Mohamed Abdel-Mottaleb.

Developing countries must recognise the value of community healthcare and provide clearer ethical guidelines for practice, says Priya Shetty.

Chagas disease has gone beyond Latin America and, today, is a challenge for non-endemic countries, say José R. Coura and Pedro A. Viñas.

Local health needs should be paramount in efforts to merge traditional and modern medicine, says Oswaldo Salaverry.

Richard Horton, editor of The Lancet, discusses the implications of news that maternal deaths have dropped by nearly a third since 1980.

Micronutrients help fight disease — it's time to turn knowledge into action, say nutrition researchers Andrew Thorne-Lyman and Wafaie Fawzi.

Maternal health needs a new, pragmatic, research-led approach targeted specifically for developing countries, says Priya Shetty.

A truth commission can account for South Africa's past HIV/AIDS denialist policies and rebuild trust, says AIDS expert, Salim S. Abdool Karim.

We must reduce the poor's vulnerability to insect-borne disease regardless of climate change, says public health expert Ulisses Confalonieri.

New technologies can help African countries identify counterfeit or substandard drugs, says director of Africa Fighting Malaria Roger Bate.

Developing nations must stop aping the North's mental health services and use strategies tailored to their own needs, says Vikram Patel.