Biopesticides are better and safer than chemical pesticides — policymakers must do more to promote them, says insect ecologist Manuele Tamò.

Trade deals are threatening generic drugs — we need new ways to incentivise affordable drug development, says health expert Daniele Dionisio.

Improving health for the poor depends on nurturing local innovations — and learning how to deliver them, argue Abdallah Daar and Peter Singer.

The proposed Sustainable Development Goals need more focus on health to continue the progress achieved with MDGs, argues Priya Shetty.

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.

Developing world scientists should be empowered to do their own medical genomics research, say Carlos D. Bustamante and colleagues.

Vietnam is making rapid progress in developing biotechnology for a healthier society, says biotech expert Thai Nguyen.

Being a girl, or growing up in an urban setting, are factors conducive to unhealthy childhood weight gain in Cuba, says Manuel Hernández-Triana.

Jim Kaput explains why efforts to tackle malnutrition should consider nutrigenomics — the interplay between food and genetic make-up.

Understanding how neglected tropical diseases affect chronic diseases can help inform health policies, say Peter Hotez and Abdallah Daar.

African governments are ill-prepared to address the continent's growing cancer burden, warn Hany Besadaand and Vadim Ermakov.

China must confront changing diets, more sedentary lives, and a 'plump is prosperous' culture to halt obesity, say Rachel Huxley and Yangfeng Wu.

Cancer care in Africa faces the same challenges as general healthcare, but also needs local data and targeted solutions, says Twalib Ngoma.

To stem the spread of obesity, we must study the web of commercial interests and strategies driving it, says Jonathan Wells.

We need better global monitoring for chronic diseases before we can really tackle the risks factors and prevent illness, says Colin Mathers.

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

Non-communicable disease treatment has a lot to learn from tuberculosis control programmes, say Anthony D. Harries and colleagues.

As breast cancer cases rise in the developing world, low-income countries must detect the disease in its early stages, writes Peggy Porter.