February is Heart Month

Heart disease and stroke takes 1 in 3 Canadians before their time and is the #1 killer of women. February is Heart Month, and this being a leap year, we have an extra day to raise awareness and start improving our lifestyle to fight the disease!
Having just one of the following four risk factors can increase one’s odds considerably of having a heart attack or stroke:
- Smoking
- Diabetes
- High blood pressure
- High cholesterol
Previous studies have often focused on the effects of these risks over the short term (five to ten years), and ignored the long-term impact. Donald Lloyd-Jones, associate professor of preventive medicine at Northwestern University, points out that focusing on only the next 10 years of someone’s life can give “incomplete and misleading risk information”.
It is important to consider the risks over a lifetime, as just one risk factor can have fatal results or significantly diminish quality of life. According to Lloyd-Jones, maintaining “optimal risk factors” through middle age can have a substantial effect on the rest of one’s life. An “optimal risk factor” profile is defined as a person who does not smoke, does not have diabetes, has total cholesterol of less than 4.7 mmol per litre and untreated blood pressure of less than 120 over less than 80.
Consider the following factors affecting our long-term health:
- For a 45-year-old woman with optimal risk factors, the chance of having a heart attack or stroke in their lifetime is 4.1 percent.
- By the time she is 55 years old, the healthy woman’s chance of death from heart disease or stroke went up to 6.4%. With one risk factor the chance goes to 11.4%, and 20.5% with two or more risk factors.
- A 45-year-old man with optimal risk factors has a 1.4 percent risk of having a heart attack or stroke.
- By the time he is 55 years old, his risk of dying from heart disease or stroke goes to 4.7%. This chance rises to 17.4% if he has one major risk factor, and 29.6% with two or more risk factors.
- By age 75, his risk of dying from heart disease or stroke is 20.7%, but nearly 40% with two or more risk factors.
- Over their lifetimes, women have a higher risk than men for a stroke, but a lower risk for a heart attack.
As we age, risk factors have more of an impact on our mortality, so having healthy practices is more important.
Source: Jarett D. Berry, M.D., et al: Lifetime Risks of Cardiovascular Disease. N Engl J Med 2012; 366:321-329.
















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