Sugar is uncountable; therefore, the sentence has a singular verb. Marbles are countable; therefore, the sentence has a plural verb. 3. Compound subjects joined by and are always plural. 4. With compound subjects joined by or/nor, the verb agrees with the subject nearer to it.
Panic disorder causes panic attacks spontaneous feelings of anxiety, terror, or impending doom. Physical symptoms include heart palpitations, chest pain, and shortness of breath. These attacks may be repeated at any time. People with any type of anxiety disorder may have panic attacks.
That's because in addition to a rapid heartbeat, anxiety attacks also cause a feeling of doom which convinces a person that something terrible is about to happen (for example, a heart attack). Hyperventilation also causes other symptoms that mimic heart attacks, like chest pains and leg weakness. You do need to recognize the way you react to tachycardia, because often you can make it worse if you respond with intense anxiety. Anxiety tachycardia is not a heart attack, and though they can feel the same it is important to learn how to control it. How to Stop Anxiety Tachycardia. Stopping this type of rapid heartbeat is sort of a waiting game.