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Medical News Today: New research may explain why evolution made humans ‘fat’

Scientists have compared fat samples from humans and other primates and found that changes in DNA packaging affected how the human body processes fat. Evolution made humans the ‘fat primate,’ researchers suggest. Our bodies need fat to store energy and protect vital organs. Fat also helps the body absorb some nutrients and produce important hormones. Dietary fats include saturated fats, trans fats, monounsaturated fats, and polyunsaturated fats, all of which have different properties. People should try to avoid or only consume saturated and trans fats in moderation because they raise…

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Medical News Today: Could this chemical help explain anxiety?

A recent study on anxiety examined the role of glutamate, which is a neurotransmitter. The findings could help scientists develop more effective interventions. A new study digs into the neuroscience of anxiety. Almost everybody experiences anxiety in one of its forms. Over time, evolution honed anxiety as a survival mechanism; it forms part of our “fight-or-flight” response. The heart pumps a little faster, and there might be a sensation of nausea as the body prepares for action. Although anxiety is a natural response, it can spiral out of control for…

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