1 of 2 / Common Cold
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What Is a Cold?
A cold begins when a virus attaches to the lining of your nose or throat.
What's Causing My Cold?
Cold viruses have a lot in common, but each type has its own style, too.
Is It a Common Cold or Allergies?
It's a question that puzzles lots of folks when symptoms hit: Is all that coughing and sneezing from a cold or hay fever?
What Puts You at Risk for the Common Cold?
2 of 2 / Flu (Influenza)
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Do You Have a Cold or Flu?
Do you feel under the weather and wonder if you're sick with the flu or a cold?
Flu Test: How to Find the Virus
A doctor can usually tell if you have the flu based on your symptoms, especially if it’s during peak season.
Bird Flu (H5N1)
Bird flu, or avian influenza, is a viral infection spread from bird to bird. The most common kind is the H5N1 strain.
Swine Flu (H1N1)
While swine flu isn't as scary as it seemed a few years ago, it's still important to protect yourself from getting it.
Suggested Reads about Cold and Flu
4 Ways You’re Making Your Cold Worse
If you can't seem to shake a lingering cold, these habits may be to blame.
How a Doctor Avoids the Flu
I get asked a lot about how I avoid the flu. Here are my best tips.
The Basics: Ways to Boost Your Immune System
If you're prone to getting sick, these habits can bolster your body's defense against germs.
Tips to Ease Into Healthy Diet and Exercise Habits
A regular diet and exercise routine can help ward off anxiety, depression, and daily fatigue.
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