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.
Some causes that may lead to changes in blood pressure readings include: 1  Recent intake of caffeine, alcohol or cigarette smoking. This potentially causes an increase in your blood pressure.  When you have your blood pressure taken, rest in a comfortable and relaxed position for at least 5 minutes, if possible.