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Dr K K Aggarwal

Healthy obesity does not exist

By Dr K K Aggarwal
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New research published online in the Annals of Internal Medicine suggests that individuals cannot be simultaneously overweight and physically fit.

As BMI rose, so did blood pressure, waist circumference and insulin resistance. As BMI increased, levels of HDL cholesterol, thought to protect against heart attack and stroke, decreased.

While participants who were either overweight or obese “may not yet have reached the points that define metabolic illness, they appeared to be on that road as their weight” increased.

Check your BMI to know your risk of future heart attack

By Dr K K Aggarwal
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If you are less than 40 years of age, male, with a strong family history of diabetes, blood pressure or heart disease, have a normal weight as judged by body mass index (BMI) but have a pot belly, or have gained more than 10 kg since the age 18, do not ignore this and go to your cardiologist to reduce your chances of a future heart attack.

A BMI of 20 to 23 kg/m2 is associated with little or no increased risk unless visceral fat is high, or the subject has gained more than 10 kg since 18 years.

1. Subjects with a BMI of 23 to 30 kg/m2 may be described as having low risk, while those with a BMI of 30 to 35 kg/m2 are at moderate risk.

2. Subjects with a BMI of 35 to 40 kg/m2 are at high risk, and those with a BMI above 40 kg/m2 are at very high risk from their obesity.

3. At any given level of BMI, the risk to health is increased by more abdominal fat (increased weight to hip ratio, WHR), hyperlipidemia, hypertension, age less than 40 years, male sex, and a strong family history of diabetes, hypertension, or heart disease. The body mass index (BMI) is the most practical way to evaluate the degree of obesity. It is calculated from the height and weight as follows:

BMI = body weight (in kg) ÷ square of stature (height, in meters)

Overweight is defined as a BMI between 23 and 30 kg/m2 and obesity as a BMI greater than 30 kg/m2.

Modification of Four Risk Factors Can Reduces Chances Of Death In Women

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Data from the Nurses’ Health Study has shown that women who adhered to a healthy lifestyle have as much as a 90% reduction in the risk of sudden cardiac death as compared with those with a high–risk profile.

About 80% of attributable risk for sudden cardiac death was found to be associated with four lifestyle factors: Smoking, overweight, inactivity, and poor diet. Compared with women with none of the low–risk attributes, the risk of sudden cardiac death declined linearly as the number of these attributes increased, ranging from a 46% reduction Read more