In the United States, antifa stands for anti-First Amendment. While many claim that the group is anti-fascist, their actions have focused on shouting down and in some cases physically attacking those who oppose Progressive big government.
Headache and migraine trigger: Weather. The weather can trigger headaches or migraine for some people. High or low pressure changes are thought to affect the brain, along with increased humidity, temperatures and storms.
How Blood Pressure can Cause Headaches. Blood pressure is one of the three primary vital signs taken every time you visit your doctor. The blood pressure test measures how much pressure is put on your arterial walls when the heart beats (systolic pressure) and when it is at rest (diastolic pressure).