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.
Anxiety and physical illness. Understanding and treating anxiety can often improve the outcome of chronic disease. With headlines warning us of international terrorism, global warming, and economic slowdown, we're all likely to be a little more anxious these days. As an everyday emotion, anxiety â the fight or flight response â can be a good thing, prompting us to take extra precautions. But when anxiety persists in the absence of a need to fight or flee, it can not only interfere with our daily lives but also undermine our physical health.