Unhealthy life-style? Women at greater risk of heart attack than men

Smoking, diabetes and hypertension increase risk of heart attack more for women


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HEART ATTACK: Smoking, diabetes and high blood pressure increase risk for women more than men.

HEART ATTACK: Smoking, diabetes and high blood pressure increase risk for women more than men.

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Research reveals greater heart risk for women.

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Women who smoke, have diabetes and/or high blood pressure increase their chance of a heart attack more than men with the same risk factors, research has shown. 

The  study of 472,000 participants aged 40-69 found smoking, diabetes, high blood pressure and having a BMI of 25 or more puts both men and women at increased risk of having a heart attack.

However, while male current smokers have over twice the risk of a heart attack than men who have never smoked, female smokers were found to have over three times the risk of women who have never smoked, giving them a so-called ‘excess risk’.

An excess risk was also found among women with high blood pressure, and Type I and Type II diabetes, but not with a high BMI.

“Overall, more men experience heart attacks than women. However, several major risk factors increase the risk in women more than they increase the risk in men, so women with these factors experience a relative disadvantage,” said Dr. Elizabeth Millett, from The George Institute at the University of Oxford  who led the research using data from the UK Biobank.

The excess risk of heart attack among people smoking 20 or more cigarettes per day when compared with people of the same sex who have never smoked was twice as big in women as in men. High blood pressure was associated with a more than 80% higher relative risk in women than in men, while Type I diabetes was associated with an almost three times higher relative risk, and Type II diabetes a 47% higher relative risk in women than in men.

Heart attack occurs when blood flow decreases or stops to a part of the heart, causing damage to the heart tissue. Patients experiencing heart attack may have symptoms of chest pain, shortness of breath, and pain in their arms, back, neck, jaw or stomach. Additional symptoms, more common in women, are unusual tiredness, dizziness, cold sweats, and nausea or vomiting.

Researchers also looked at the risk of heart attack associated with ageing. While the increase in risk posed by factors such as smoking and high blood pressure lessened in both sexes as they grew older, the additional excess risk experienced by women was found to persist with ageing.

“These findings highlight the importance of raising awareness around the risk of heart attack women face, and ensuring that women as well as men have access to guideline-based treatments for diabetes and high blood pressure, and to resources to help them stop smoking,” Dr. Millett said.

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