1: "Dehydration risk: Caffeine can increase fluid loss in hot weather."

2: "Increased heart rate: Caffeine raises heart rate, especially in high temperatures."

3: "Worsened heat stress: Caffeine can worsen the effects of heat on the body."

4: "Sleep disturbances: Caffeine can disrupt sleep patterns, affecting your rest in hot weather."

5: "Risk of sun sensitivity: Caffeine may increase sensitivity to the sun's rays."

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