Hydration: have the right reflexes!

Water is our main constituent. So, with the return of heat and the resumption of outdoor activities, no question of missing!

True. Water is the pillar of our body: it makes up 65%. This is our second vital element, after oxygen. Moreover, if we can stop feeding for several days, we can not survive more than seventy-two hours without hydration. Without water, it is impossible to make the plasma, to transport the nutrients we consume, to renew the water of the joints and to drain them, to eliminate the toxins from our kidneys, to make our intestines work ... And without it yet , our brain would be nothing, since it contains 85% of this fluid essential to our cognitive functions, memory, concentration ... That's why we must ensure, day after day, the constant maintenance of our water supply.

False. Our water needs fluctuate between 2.5 and 3 liters per day, divided between drinking water, milk, fresh fruits and vegetables ... When this quantity is not reached, the safety system - thirst - sets off. But at this point, dehydration is already underway. But with age, this warning system is even later. From the age of 60, it is therefore essential to never wait until you are thirsty to drink, and to hydrate regularly, throughout the day. The recommendations of the health authorities: at least 1.5 liters per day, or eight to nine glasses of water, between meals, to avoid fatigue, headaches, loss of concentration, dry skin ... A minimum contribution to ensure imperatively in case of heat wave, to protect yourself from dehydration and regulate your body temperature.

False. Cool, at room temperature or warm, the water moisturizes the body as much. On the other hand, drinking cold after exercise is not a good idea: it requires extra work for our body, already tired, which must "heat up" the liquid to digest it properly. Water at room temperature is then preferable.

Nothing like thatsparkling water to hydrate

True and false. Flat or sparkling water is the same if you have normal activity. It's a matter of taste. However, the bicarbonated aerated waters (Saint-Yorre type) have the advantage of promoting digestion after a large meal, but also of reducing the acidity produced by the muscles during a prolonged effort - and thus to improve the recovery. Beware, however, they are often high in sodium, which is incompatible with a diet without salt. Among the less salty: Perrier, La Salvetat and San Pellegrino.

True. Between 500 ml and 1 liter of water can be provided by plants rich in water. There remains 1.5 to 2 liters to absorb each day to complete the needs of the body. Part of this intake comes from milk, coffee, tea and fruit juices (about 500 ml), and the other one from thepure water (1 to 1.5 liters), to drink throughout the day. However, it is better to refrain from absorbing large volumes of water during meals, to avoid heaviness (do not exceed 600 to 700 ml).

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