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.
You may know that what you experienced was an anxiety attack, and anxiety attacks cause intense physical symptoms. What you may not realize is that those physical symptoms were caused almost exclusively by hyperventilation. Hyperventilation and hyperventilation syndrome are often the result of severe anxiety. Anxiety can change the way you breathe to cause you to hyperventilate even when no anxiety is present. Hyperventilation can cause substantial physical symptoms, which is why you need to control it to stop your anxiety. Click here to take my anxiety test and learn more.