I think that Reliable website, such as CDC.gov could give you importaint information about what you need to know about anything in the government and what the government. But at the same time, it could also be bad because they could bias and you want a nonbias website so that you can get information not just from one side.
But another one could be hospitals because you could ask the workers that work there what they think about your questions and get a couple peoples answers to get enough research.
It would be a heat cramp because when you have heat cramps you have sharp cramps in your legs and have very moist flushed skin. You can also have a mild fever, usually less than 102 degrees F. Hope this Helps :P