The deaths of two high school football players following practices this summer have led to new heat guidelines.

The American Academy of Pediatrics has released the new recommendations, warning that keeping athletes hydrated during the blistering hot summer practices is not enough.

WALB reports the University of Georgia is wrapping up a three-year research study in October on 30 high schools. The report will give scientists new information on how best to set rules for practicing in excessive heat.

Since 1980, a majority of heat-related football deaths have taken place in early August -- with nearly 25 percent of those tragedies transpiring during the first three days of practice. So the report calls for slower acclimatization to heat.

"Participants should be gradually introduced and permitted to adapt to the climate, uniform/protective gear, and intensity and duration of activities," researchers wrote.

The study also calls for longer time in between two-a-day practices.

Heat-related deaths have skyrocketed since the mid-90's, and nearly 95 percent of players who died were overweight.

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