Mid-life excess weight and dementia risk

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It does, and your timing is spot on: it's precisely in mid-life that excess weight is most associated with the risk of dementia decades later. What the WHO says The guidelines make two specific recommendations: dietary restriction interventions can be offered to adults with overweight or obesity, and interventions to reduce excess weight in mid-life can be offered – both to reduce the risk of cognitive decline and dementia (conditional recommendations, low to moderate certainty). Furthermore, obesity management should be offered generally, for the broad health benefits you are already aware of. Why mid-life in particular The risk of dementia builds over decades. Excess weight at 50 is often accompanied by high blood pressure, high blood sugar, and high cholesterol – the vascular 'package' that, maintained for twenty years, damages brain blood vessels. Acting now is acting at the moment when prevention yields the most benefit. No radical diets The evidence doesn't call for heroic diets – it calls for sustained reduction: less sugar and processed foods, slightly smaller portions, more vegetables, and regular movement (which, besides burning calories, preserves muscle). Losing 5 to 10% of body weight already significantly improves blood pressure and blood sugar. Very restrictive diets tend to fail after a few months – and the yo-yo effect is more demoralising than helpful. Seek serious help If you've tried several times on your own, consider structured support: your GP can refer