Have you ever finished a race in a sweaty, sopping mess, your kit wallpapered to your body and your hair looking like you've just been for a fast spin in a washing machine? Sweating is an inevitable - and essential - by-product of exercise

It was almost like a scene from a science fiction film, something like the Midwich Cuckoos; from all over London lycra-clad people were emerging from their homes and converging on Greenwich Park.  Easily identified as part of a tribe by our red kit bags and bottles of Lucozade, w...

an isotonic drink immediately after exercise. Is this enough, or do I need additional replenishment, and could the loss of salt affect my performance?A Combining very high temperatures with strenuous exercise obviously means a great deal of sweating, resulting

of your body’s cooling system." HYDRATIONWhen it comes to hydration levels, you shouldn't be short-changing your body at any time, let alone while training in warmer temperatures. Sweating – your body's cooling system – removes excess heat through

as they did beforehand. The truth is that your body cannot absorb fluids as quickly as it loses them, and, importantly, not every gram of weight is lost through sweat.The Truth: Keep up with most of your sweat lossReplace about 75 per cent of the fluid lost

, increase your urine output (cold-induced diuresis) and, along with additional layers of clothing (particularly waterproof gear), can lead to significant sweat losses. Sweat losses of as much as one litre per hour are not uncommon when training in the cold

When an email pinged into my inbox from Gatorade, inviting me to train with elite GB cyclists at the Manchester Velodrome and do a (gross-sounding) 'sweat test', it took seconds for me to say yes.And so last Monday evening I left London for a much

whom? The majority of the population who don't exercise at all? The 95 per cent who couldn't run a mile without stopping? As a slow runner, you're still the cream of the crop."I sweat too much."Women sometimes worry about this more than men, because

hydration strategy. Other factors that affect sweat loss include the type of activity and the intensity of exercise.It's not possible to prescribe a fluid- replacement plan to meet everyone's needs but an easy way to estimate your needs is by weighing

:Support Your briefs should hold everything firmly in place without being constricting. Wicking The more you sweat, the more likely you are to chafe, so opt for a fabric that moves moisture away from the body, such as polyester, elastane, nylon and Lycra