Most cramping is due to weakness (or a lack of endurance in the muscle).
Most runners have good nutrition. Warm up certainly helps. But the usual fix for cramping is strengthening, a bit of stretching, and some foam rolling a few days per week.
Runners should be able to do 3 sets of 30 heel raises, single leg, off a step (hold for balance).
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ech·o cham·ber
/ˈekō ˌCHāmbər/
noun
An environment in which a person encounters only beliefs or opinions that coincide with their own, so that their existing views are reinforced and alternative ideas are not considered.
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