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New research from the European Heart Journal says that high blood pressure in middle age increases the risk of dementia later in life.
Scientists found that a reading of 130 or more in systolic blood pressure (the top number in your blood pressure reading), at the age of 50, is associated with an increased risk of dementia.
This figure is lower than the 140 threshold used to define high blood pressure.
Obesity in middle age can also lead to dementia later in life. A study from the US published in the British Journal of Medicine found that being obese during your forties increased the risk of dementia by 74 percent while being overweight increased it by 35 percent. Obesity is epidemic in Western societies and constitutes a major public health concern.
Another study, this time from Sweden, found that the higher a woman’s body mass index (BMI), the greater her risk of dementia.
For every one unit increase in BMI at age 70 years, the risk of dementia increased by 36 percent.
People with high cholesterol levels in mid-life are more likely to develop Alzheimer’s disease than those with low cholesterol according to research from California.
Those with high cholesterol levels in mid-life were 50 percent more likely to develop Alzheimer’s later in life.
Those who eat lots of meat and dairy foods are more likely to be overweight or obese, have higher blood pressure and high cholesterol. This could go some way in explaining why vegetarians and vegans have a lower risk of dementia.
Fruit and vegetables
Other studies have shown that plant-based diets can lower the risk of Alzheimer’s and dementia.
Drinking fresh fruit and/or vegetable juice more than three times a week was found to lower the risk of Alzheimer’s by 76 percent.
Low levels of vitamins D and B12 are also considered a risk factor for Alzheimer’s disease so make sure to take a supplement.