Fitness basics
Learning Center
Asthma treatment: 3 steps to better asthma control
Follow this three-step approach to keep symptoms under control and prevent attacks.
Asthma: Limit asthma attacks caused by colds or flu
If you have asthma, find out how to keep your sneeze from turning into a wheeze due to colds or flu.
Asthma: Steps in testing and diagnosis
Think you or your child might have asthma? Here's what's involved in making a diagnosis.
Atrial fibrillation
A fast, pounding heartbeat could be due to AFib, a type of heart rhythm problem. Know the warning signs and when treatment is needed.
Atrial fibrillation and managing stress
Stress, anxiety and depression are bad for your heart, but whether they trigger AFib is debated. Find out when to practice self-care — and when to ask for help.
Atypical hyperplasia of the breast
Learn how a diagnosis of atypical lobular hyperplasia or atypical ductal hyperplasia affects your risk of breast cancer and what you can do.
BRCA gene test for breast and ovarian cancer risk
Find out what to expect if you're considering a blood test to determine if you have an increased risk of breast cancer. Learn what your results might mean.
Back pain during pregnancy: 7 tips for relief
Ease a painful or achy back while pregnant with these simple tips.
Bacterial vaginosis
Learn about symptoms, treatments and prevention of this common vaginal condition.
Bacterial vs. viral infections: How do they differ?
Understand the differences between bacterial and viral infections.
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