Snow shoveling isn’t exercise. It’s an unplanned cardiac stress test. Cold exposure causes blood vessels to constrict. That raises blood pressure before you even lift the shovel. Then you add heavy, isometric effort, breath-holding, and sudden bursts of strain. Heart rate rises. Oxygen demand spikes. Coronary flow can’t always keep up. Every winter, we see the same pattern: People who felt “fine” all year develop chest pressure, shortness of breath, dizziness, or collapse while shoveling. Someti

21K views · 654 reactions | A graphic scene from my first abortion in the movie Unplanned. | Dr. Abby Johnson | Facebook