India, Nov. 26 -- Everyday life must go on, perhaps even your workouts do too. That's how many of us feel when a cold tries to slow down our daily routine. And so we often don't allow ourselves the time to recover. What can the consequences be and when is it time to see a doctor? Berlin (dpa) - "I'm not going to let a bit of a cough and runny nose slow me down!" Have you ever told yourself this, then pressed on with a scratchy throat, feeling tired and unwell, perhaps because you thought you had to? Believe it or not, what your body needs most when you have a cold is rest so that your immune system can better fight the virus. If you don't take it easy, you risk a lingering infection that can land you two weeks later in a doctor's surgery wi...