The fact that relative food prices differ so markedly and so systematically provides a very strong rationale for nutrition-focused food policies.
African countries need to take into account the effects environmental changes, like climate change, have on their ability to deal with food security, poverty reduction and lowering mortality rates.
Cost-cutting, funding that doesn't reward good food, and residents not having a voice contribute to poor quality nutrition in our aged care homes. That can be devastating. But there is a better way.
When the policies and programmes developed in Belo Horizonte were rolled out nationally, Brazil experienced a notable decline in hunger.
In many urban poor areas such as slums, programmes by governments and NGOs are established to help families and mitigate malnutrition. But are these effective?
British children left angry and bewildered by food poverty.
Cyclone Idai hit poor countries the hardest and shows why disaster resilience is a necessity.
Does the West need bio-fortification programmes to prevent an epidemic of hidden hunger caused by a rise in veganism?
Child undernourishment rates are worse in India than in Ethiopia.
More action is needed to increase soil organic matter for the sake of improved nutrition.
South Africa must ensure that healthcare workers understand the importance of nutrition and that they transfer the correct messages to caregivers.
Shakespeare wrote of the 'seven ages of man', and our appetite for food changes as we age too – with implications for our health.
Vitamin D could help the 20m children worldwide who suffer from acute, severe malnutrition.
There have been a variety of approaches to tackle malnutrition. The continent needs to learn from past mistakes across the world.
Biofortification – enhancing the micronutrient concentration of staple crops – offers a sustainable solution to hidden hunger.
South Africa has problems with hunger and obesity and both are linked to malnutrition. But solutions like taxes, education, regulating food advertising and labelling can help the problem.
Policy choices made by Senegal, Ghana, Rwanda, Angola, Cameroon, Ethiopia and Togo over the past 15 years have led to significant reductions in child undernourishment.
It's wrong to blame climate change for famine and conflict. These can either be prevented, or the impact minimised, if institutions and mechanisms of good governance are in place.
Up to 25% of Ecuadorian children suffer from malnutrition, and the country's sugary school snacks aren't helping. Kids need healthful, fresh food — not high-calorie humanitarian aid.
South African learners receiving two meals, despite being from arguably poorer backgrounds, had statistically significantly lower stunting levels than children receiving only one meal.