Immunity: There are very many viruses that cause a head cold and you're not immune to all of them so that it's quite easy to escape some but not others. It's important to keep your overall resistance up with good rest, taking vitamin C daily, keeping adequately hydrated and avoiding too much dryness in your home in the winter months.
Answered 1/28/2016
1.7k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question