Thirst is the main symptom of our body needs liquid, because the internal heat has made this exit routes as natural urine or sweat, usually this is presented during the course of a physical activity, but can also be by giving exposure to the sun or simply that the body needs water.
On the other hand dehydration is a symptom that our body needs urgently hydrate, the main difference is that thirst with dehydration is that this cause some features like headache, dizziness and fainting in some cases, usually occurs when the Dehydration is necessary to use oral serums and that sometimes the water is not just enough to remove it.
An important factor to take care while executing an exercise outdoors exposed to the sun is heat exhaustion, which is a more severe dehydration, often this occurs when the body can not lose more water and enters into a state of dehydration at a maximum temperature of 41 degrees, the heat can not last more than 15 minutes, as this is very dangerous because some organs such as brain and kidneys may have flaws and fail to function properly.
It is good to mention that most of the cases where it presents dehydration and heat exhaustion, are children and elderly, since the capacity of reaction and body processes hydration are lower than those of an adult. Heat exhaustion is characterized by symptoms such as blurred vision possess, dizziness, excessive heat, muscle weakness, loss of knowledge and sometimes respiratory attacks, why is heat exhaustion is something of care.
Currently, thirst, dehydration and heat stroke can be avoided if certain recommendations are followed as:
• Use clothing that allows aired level the body temperature.
• Take plenty Aguan before, during and after physical activity.
• Avoid exposure to sunlight for long periods of time.
• Use an element that protects your head from the sun.
• Before any physical activity make an acclimatization.
• Rest when necessary.
• Do not eat heavy meals or consuming alcohol or agents stimulants before physical activity.
• Do not make excessive stress.
Although there are many more recommendations can be given that these are the key to follow to avoid the problems mentioned above.
As the above shows that thirst, dehydration and heat stroke are important factors to consider before starting a physical activity, so the best recommendation is to follow the recommendations previously given.