I always wondered why my cough is civilised, even demure, during the daytime ― then bucks up in my throat like a stallion when I settle down to sleep. It’s pretty common for cold symptoms like a runny ...
More than 200 viruses can cause a cold, with rhinovirus being the most common. Influenza viruses—three of which infect humans—cause the flu. Both illnesses share symptoms like a runny nose ...