1. Colds are relatively minor nose and throat viral infections; a flu is a more serious respiratory viral infection
2. None of the above
3. Someone with asthma
4. All of the above
5. Antitussives are cough suppressants and expectorants thin mucus
6. A decongestant that can be used by criminals to synthesize the illegal drug methamphetamine
7. If you have a condition, such as asthma or lung disease, that puts you at high risk of developing complications from the flu
8. It loosens congestion and prevents dehydration