Staying well hydrated is the most effective way to prevent a hangover- drinking plenty of water throughout the day, and avoiding excess amounts of caffeine, especially high octane energy drinks loaded with plenty of caffeine which lead to loss of water from your body.

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For the uninitiated, a Vichy shower mandates that you lie on a treatment table while six or seven showerheads direct water at your prone body from above.

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The more you immerse yourself in cold water, the more your body will adapt to the extreme temperature change, according to Tipton, who started off 2013 by donning Bermuda shorts and participating in a polar bear plunge in his hometown of Gosport, England.

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Stick one end in a body of water near your home and it will upload water purity information to the web via a built-in ZigBee module.

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Even headbands, glasses and water bottle caps must be tethered to your body.

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"Pinch a cup of porridge oats from the breakfast buffet, tie it up in a sock, float the sock in a hot water, then use as a puff to massage your body, " Coombe added.

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While sports drinks, plain water or coconut water will all keep you hydrated, when you exercise three hours or longer in the heat or adverse conditions, your body requires higher levels of simple carbohydrates and electrolytes not adequately found in coconut water.

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It is important not to cut carbohydrates significantly on days that you are exercising strenuously, as this will negatively affect your energy level and will probably result in loss of lean body mass (muscle, bone, and water) which can impair weight loss efforts long term.

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