What happens to your body when you’re dehydrated?

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What happens to your body when you’re dehydrated?

By the time you feel thirsty your body is already dehydrated; our thirst mechanism lags behind our actual level of hydration.

"Research shows that as little as 1% dehydration negatively affects your mood, attention, memory and motor coordination. Data in humans is lacking and contradictory, but it appears that brain tissue fluid decreaseswith dehydration, thus reducing brain volume and temporarily affecting cell function."

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How electricity could replace your medications

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How electricity could replace your medications

Tracey has been championing the practice of using electric signals for purposes of neuromodulation, with the ultimate goal of maintaining immunological homeostasis. 

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Acupuncture for neck pain?

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Acupuncture for neck pain?

The reality is this - opioids have side effects are people are looking for alternative pain management strategies.

Opioid-based painkillers are problematic for several reasons. Their efficacy wane over time and they have been linked to addiction and overdose deaths. Recently, the Centers for Disease Control and Prevention has recently advised doctors to seriously restrict their use.

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Can a human ever run 100m under nine seconds?

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Can a human ever run 100m under nine seconds?

"Our thoughts, based on 20 years of investigating the biomechanics of sprinting, are “of course they can”. There is no limit to human sprinting in sight yet. Humans have run competitively (with time records available) for only about 100 years. In the context of human evolution, this is far too short a period to analyse with a view of making long-term predictions for the future. Records are still being broken, and training and technology (for example, track surfaces and running spikes) are continuously developed further."

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The extraordinary science of sweat

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The extraordinary science of sweat

"As a species, over short distances, we are hopeless runners. We might be able to go a long way but what use is that if we can’t catch anything? The truth is that we never could if it weren’t for several factors that make us identifiably human. And it is our ability to perspire which renders them all effective. So we may have perfect bodies for distance running, but those features that enable us to move so effectively are useless without correct temperature control."

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