Maternal diet, schools & hypertension
Attention has, once again, turned to hypertension, the silent killer, as nations mark World Hypertension Day.
Hypertension can insidiously destroy the heart, brain, kidneys, eyes and blood vessels only to manifest suddenly as a heart attack, heart failure, stroke or death.
Yet beyond salt intake, obesity and inactivity, science is increasingly highlighting another major contributor to chronic disease known as metabolic programming, beginning from pregnancy and early childhood.
Metabolic programming explains how the body’s future health is influenced by the environment in the womb and during the early years of life.
It suggests that what a mother eats during pregnancy and what a child is exposed to in infancy and childhood can “programme” the child’s future risk of hypertension, diabetes, obesity and cardiovascular disease.
It further shows that poor maternal nutrition, excessive processed foods, obesity, stress and unhealthy lifestyles during pregnancy may alter fetal development through hormonal and epigenetic changes.
During pregnancy and the first years of life, the brain, heart, kidneys and metabolic systems undergo rapid development.
Damaged or unhealthy programming during this stage may silently increase the risk of chronic illness decades later.
This concept, often described as the “fetal origins of adult disease,” clearly reveals that conversations about the prevention of hypertension should not begin only in adulthood, but much earlier, even before birth.
Hypertension
In Ghana, this discussion is becoming increasingly urgent because hypertension is rising rapidly.
Current estimates suggest that more than 30 per cent of Ghanaian adults are hypertensive, with many unaware of their condition until complications such as stroke or heart failure occur.
Urbanisation, processed foods, physical inactivity and unhealthy diets continue to fuel the crisis.
However, maternal diet is only one part of the problem. Childhood environments, especially schools, now play a major role in shaping future health outcomes.
Many school children are increasingly exposed to highly processed snacks, sugary drinks and meals heavily loaded with salt, artificial flavourings and monosodium glutamate (MSG)-containing spices.
Some foods are so heavily seasoned that children begin to perceive school meals as tastier than healthier home-cooked foods.
This early conditioning of taste preferences has important consequences. Children gradually develop dependence on ultra-processed foods while rejecting natural foods, fruits and vegetables.
Over time, such eating patterns contribute to obesity, hypertension, diabetes and cardiovascular disease later in life.
Excessive screen exposure, physical inactivity, poor sleep and emotional stress further worsen these risks.
Schools must, therefore, be recognised as critical public health environments.
Around the world, policymakers are taking action.
The World Health Organisation has encouraged countries to reduce foods high in sugar, salt and unhealthy fats in schools, while promoting healthier food environments.
In the Ashanti Region, the Regional Minister has taken a bold step by advocating for reduced salt intake in restaurants and chop bars.
Some schools have also independently introduced healthier meals and promoted better eating habits among children.
These are commendable efforts in the fight against hypertension and chronic disease.
However, isolated interventions alone may not significantly influence the wider population.
Sustainable impact requires coordinated national policies, public education, strong school health programmes and consistent community engagement.
Healthy eating habits must be promoted not only in a few schools or restaurants, but across homes, markets, food industries and the entire educational system.
Ghana must not wait until chronic diseases overwhelm the healthcare system before acting decisively.
Policymakers, the Ghana Education Service, schools and public health institutions should urgently strengthen school nutrition policies, regulate processed foods sold in schools, reduce excessive sodium and additives in meals, promote healthier local foods and fruits, and improve nutrition education for parents and children.
The fight against hypertension must begin in the womb, continue in homes, and be reinforced in schools. Healthy futures are built from healthy beginnings.
The writer is a Child development expert/Fellow of the Zero-To-Three Academy, USA.
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