Your Neck Size is Better than BMI to Predict Your Body Fat

BMI (body mass index), which measures weight relative to height, doesn't accurately calculate body fat -- it tends to say that muscular people are obese and underestimates body fat in older people. But it's inexpensive and simple, so it continues to be the standard for assessing for obesity.

A new study suggests another simple, straightforward measurement could be used to supplement BMI -- neck circumference.  A wide neck circumference is associated with obesity-related conditions such as sleep apnea, diabetes and hypertension.

According to CNN:

“[Researchers] examined 1,102 children and recorded their heights, weights and neck circumferences to determine whether this measurement could be another way to assess obesity in children ... The authors found that a 6-year-old boy with a neck circumference greater than 11.2 inches was 3.6 times more likely to be overweight or obese than a peer below that level. Using the data, they devised neck measurements at which children could be at higher association with overweight and obesity.”

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