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Is Luiz Suarez biting again?

Uruguayan striker Luis Suarez is at the centre of a fresh bite row as Twitter users suggested he had a nibble of Martin Demichelis. Take a look at the video. Do you think he bit him? If he did, Demichelis will need prompt medical attention as human bites can be deadly. We look at the psychology of human to human biting.

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Live healthier

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What to wear when you run

You do not need a gym membership to run. All you need is the correct clothing and you're ready to reap the benefits.

Carb danger »

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Carbs make you sick

Dr Gary Fettke, who believes that the foods we eat are the leading cause of lifestyle diseases speaks of Carbohydrate Diabetes, not Sugar Diabetes.