The claim
Frio e calor não provocam infarto e AVC
Original review summary
The review says the claim is false: experts and studies indicate that both extreme heat and cold can increase the risks of heart attack and stroke. It explains that heat-related dehydration can contribute to cardiac problems, while cold can raise blood pressure and affect blood vessels.[S1]
Research date:
Sources and attribution
- [S1] SBT News original review
Original review · Retrieved October 17, 2026