Author: James Fishman

BMI, or body mass index, is the most widely used measurement to determine if a person is of normal weight. However, experts have long debated if this is the best measurement tool and if it’s an accurate reflection of obesity.

A new team from West Virginia University has created a new measurement that focuses on surface area. Their index, the SBSI or surface-based body shape index, focuses on the body’s surface area, vertical trunk circumference, height and waist circumference.

The team from WVU analyzed data from more than 11,808 people aged 18 to 85 and developed their new standard. As the scientists said, “The BMI provides a simple coarse measure of the body shape. Two people in the same BMI category could have very different body shapes, and different body sizes. The distribution of body weight, rather than the absolute weight, is a key factor in predicting health risk.”

As they point out, a person whose body weight is centered in their midsection is at much greater risk for disease and premature death than is someone whose weight is more evenly distributed.
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They put their new measurement to the test. As they explained, “Applying SBSI initially gives reasonable performance when compared with existing body shape measures.”

Their findings were published in the journal PLOS One.

If you have a sweet tooth – there might be hope yet. A new study from the University of Iowa has shown that a hormone produced by the liver can actually suppress our desire for sugar. The hormone is called fibroblast growth factor 21 (FGF21) and is produced in the liver when there are high carbohydrate levels there. It will then enter the bloodstream and send a signal to the brain to suppress sugar cravings.

As the study co-author Dr Matthew Potthoff said, “This is the first liver-derived hormone we know that regulates sugar intake specifically.” As the co-author Lucas BonDurant said, “We’ve known for a while that FGF21 can enhance insulin sensitivity. Now, there’s this dimension where FGF21 can help people who may not be able to sense when they’ve had enough sugar, which may contribute to diabetes.”

Certainly, the scientists said that they need further research to identify the neural pathways that regulate FGF21’s ability to manage macronutrient preference.

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As Dr Potthoff explained, “In addition to identifying these neural pathways, we would like to see if additional hormones exist to regulate appetite for specific macronutrients like fat and protein, comparable to the effects of FGF21 on carbohydrate intake. If so, how do those signals intertwine to regulate the neural sensing of different macronutrients?”

Get more details about the study here.

You’re doing your holiday shopping or you’re just out enjoying, and you decide to treat yourself to a coffee. Sounds healthy enough, right? But you might not be able to believe just how much sugar is hidden in many of these coffee drinks today. A recent video from Denplan shows the shocking amount of sugar in many of these drinks.

A caramel fudge hot chocolate has 24 teaspoons of sugar and an eggnog latte has 17 teaspoons. A sticky toffee latte has 18 teaspoons of sugar.

As Henry Clover, Deputy Chief Dental Officer at Denplan said: “While most people will probably be aware that their festive drink contains some levels of sugar, they might not be aware of the sheer quantity. Many of the festive coffees, lattes and hot chocolates that we looked at…on average, around 12 to 18 teaspoons of sugar in their largest portion sizes. One caramel fudge hot chocolate from a popular coffee chain even contained a shocking 24 teaspoons of sugar – that’s the equivalent to around two and a half cans of cola.”

For healthier options select tea (without sugar) over coffee, get a plain coffee, or ask for a latte with sugar-free syrup.
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This chart shows you the shocking numbers in black and white.