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Wednesday, November 4, 2009

Obesity and Cardiovascular Disease

Obesity is one of the major risk factors for heart disease and a host of other serious medical conditions such as high blood pressure, diabetes, stroke and cancer.

Both terms describe ranges of weight that are greater than what is generally considered healthy for a given height. For adults, overweight and obesity ranges are determined by using weight and height to calculate a number called the body mass index or BMI. To calculate BMI, divide your weight by the square of your height.

However, BMI is just one indicator of potential health risks associated with being overweight or obese. Because abdominal - at is a predictor of risk for obesity, related diseases, doctors also look at waist circumference Apple-shaped people or those whose weight is concentrated around their waist maybe at greater risk of developing heart disease, diabetes or cancer rather than people of the same weight who are pear-shaped or those who carry their weight in their hips and bottoms.

Doctors also look at other risk factors such as high blood pressure, high cholesterol levels, high blood sugar levels and physical inactivity.

People who are overweight are two times more likely to have high blood pressure than those who are not. Overweight people often have very high blood levels of cholesterol that can lead to heart disease. Being overweight also contributes to angina (chest pain caused by decreased oxygen to the heart) and sudden death from heart disease or stroke without any signs and symptoms.

Losing as little as 10% of your weight can reduce your risk for heart disease and stroke. Lasting weight loss, however, requires a change in lifestyle. Adopt a healthy, lower calorie eating plan, and be more physically active. Try to do at least 30 minutes of moderate-intensity physical activity most, if not all days of the week. This includes brisk walking, light weightlifting or even house cleaning or gardening. If you need to divide the 30 minutes into shorter period of at least 10 minutes each.

Aim to lose no more than 1/2 to 2 pounds per week. If you have a lot of weight to lose, ask your doctor, a registered dietitian or qualified nutritionist for professional advice.

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