Many people associate Calgary's warm chinook winds with the onset of headaches, but experts say the science behind the correlation remains unclear. Orr, who specializes in headaches, said it most likely has to do with altitude and barometric pressure, which is the force from the atmosphere's weight. Higher altitude locations have lower barometric pressure, said Orr. But experts don’t know how:Début du widget . Japan's oroshiCalgary researchers aren't the only ones interested in the relationship between headaches and barometric pressure.

Source: CBC News December 30, 2025 21:22 UTC