What are the Allergies oldest?
Each year, millions of us regret of our allergies, sneezing and wheezing, for the season of hay fever, as well as flee all cats we see or take great care with the consumption of peanuts.
The majority of those who suffer from allergies, are common as the pollen in the spring, but there are some that are truly rare, for example:
Hives solar
By which not only the vampires, goths and the geeks are the ones who have to avoid the sun appear, as some people are allergic to the sunlight, and a small percentage of the population can cause hives and itching, even through solar protection and light clothes.
Hives Aquagenica
For some people, the mere act of taking a shower them represents a danger, in mild cases contact with the water can be handled with a steady diet of antihistamines, but there have been cases in which even a high percentage of ambient humidity, as a day with fog can cause rashes and blisters, to those affected by this strange allergy.
Hives cholinergic
For some people is not the chemistry of water that provokes allergy, but the chemicals secreted over their own bodies, the sweat. Exactly the reason why it produces the skin rash, hives, not yet known.
Hives induced by cold
The majority of allergies are produced by the physical elements, but there are a handful that are reactions to the environmental conditions, including the cold, so the suffering of this strange ailment should combat cold in a way that will become more resistant and for most of those who suffer from this allergy, the swimming is extremely dangerous, because it lowers the temperature of the entire body to the point that brings in the anaphylaxis.




