High blood pressure - which is also known as hypertension - puts extra stress on blood vessels and vital organs.
The condition could lead to some deadly complications, including strokes and heart attacks.
It could be caused by eating an unhealthy diet, or by not doing enough exercise.
Avoiding some common foods may be the key to reducing your blood pressure.
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"Certain foods are particularly good to eat if you have hypertension and can significantly lower your risk of experiencing a heart attack or stroke," said Dr Brewer.
She told Express Health: "Eating four or more servings of potatoes a week is associated with a significantly increased risk of hypertension, according to three studies, which followed over 187,000 doctors and nurses for more than 20 years.
"Eating baked, boiled or mashed potatoes appeared to increase the risk by 11 percent and French fries by 17 percent compared to those who ate less than one serving of these per month.
"These statistical associations remained, even after adjusting for total dietary intakes of sodium, potassium, magnesium, calcium, fibre and dietary fats, and after taking peoples weight and age into account."
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The vegetable you should AVOID or risk deadly high blood pressure - are you at risk? - Express
