Hydration and chronic diseases Chronic mild dehydration can be present in many individuals failing to fulfil daily water requirements, but it has been shown to be a common condition in some population groups, including the elderly and those who participate in physical activity in warm environments. In this new issue the effects of [...]
Hydration in winter In cold weather conditions, body fluid losses can be as high as those in hot climates because additional water losses occur as a result of increased urine and respiratory water losses. In this new issue the additional water losses during cold weather are reviewed, and practical tips for staying hydrated [...]
Hydration while studying Adequate hydration is important for optimal functioning of the brain. Dehydration can adversely influence cognitive function, and this is important when considering tasks such as studying. In this new issue the consequences of dehydration on cognitive performance are reviewed, and practical tips for staying hydrated when facing cognitive tasks are provided. [...]
Hydration in the workplace Hydration in the work place is a specific concern because consequences of dehydration, even mild, can affect productivity, safety, cost, and morale. In this new issue the consequences of dehydration on physical and cognitive work capacity are described, and practical tips about staying hydrated in the work place are provided. [...]
Measuring hydration status Evaluation of hydration status is not easy, as during daily activities or exercise, fluid compartments are constantly fluctuating, so measuring a single body fluid is insufficient to provide valid information about total body water. In this new issue we present some of the methods used to measure hydration status and [...]
Hydration for summer holidays In a temperate climate about 2-3 L of water is lost from our bodies each day, mainly as sweat. These sweat losses will be higher when exposed to high temperatures, such as in the summer. Air conditioning also contributes to increase water losses. In this new issue we provide [...]
Hydration for sports performance Severe dehydration impairs performance and increases the risk of heat illness, but drinking too much can also be harmful or uncomfortable. Every athlete is different because they have different sweat losses and different opportunities to drink fluid during their workouts and events. In this latest edition of “Key Tips [...]
Physical activity Hydration is an important consideration when engaging in physical activity. During prolonged sessions, water is lost from the body mainly as sweat, and physical work performance is usually decreased when dehydration exceeds about 1-2% of body weight. In this new issue we present some data about how water losses may affect physical [...]
Overhydration Body water is tightly regulated to ensure we have just enough, and varies by no more than 1% daily in normal, healthy people (around 250-500ml). When body water decreases (e.g. due to sweating) or blood sodium levels rise, thirst is stimulated and the kidneys conserve fluid. Most people respond by drinking slightly [...]
How variety can help hydration Beverages in addition to plain water are of importance in ensuring proper hydration, but they can also provide us with other benefits. In this new leaflet we give you interesting facts about the role of different beverages in our hydration and in our health and performance. [...]