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Event Brief

Florida heat can temporarily worsen MS symptoms

Tampa neurologist Dr. Mark Cascione says rising body temperature can temporarily revive older multiple sclerosis symptoms by slowing communication along nerve pathways. He advises people with MS to leave heat or move into shade/air conditioning, drink cold water, and start cooling with methods like cold wraps or ice on the head.
WHO: Dr. Mark Cascione, Tampa neurologist; people living with multiple sclerosis
WHAT: Explains how Florida heat and humidity can worsen MS symptoms temporarily and outlines immediate cooling steps.
WHEN: Reported Aug 24, 2026 at 11:36 AM ET
WHERE: Tampa, FL
WHY: As the body warms above its usual core temperature, communication between the brain, spinal cord, and the rest of the body can slow, worsening symptoms along already damaged nerve pathways.

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