endocrinology
Obesity

Low BMI linked to dementia

Being underweight in middle and old age carries an increased risk of dementia, according to a large observational study that followed almost 2 million adults for two decades. Compared with people of a healthy weight, underweight people (BMI <20 kg/m²) had a 34% higher risk of dementia, with the incidence of dementia falling for every increasing ...

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