Artificial tears: How to select eye drops for dry eyes
Not all eye drops are the same. Here's what to consider when choosing artificial tears…
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Health Tips
Asbestosis
Exposure to asbestos fibers causes this chronic lung disease. It may be decades before signs…
繼續閱讀Aspartate aminotransferase (AST) blood test
An AST blood test helps check for liver damage. Learn when the test is done,…
繼續閱讀Aspergillosis
This fungal lung infection is caused by inhaling certain mold spores. It may be serious…
繼續閱讀Aspirin allergy: What are the symptoms?
An aspirin allergy or sensitivity can cause serious symptoms.
繼續閱讀Aspirin during pregnancy: Is it safe?
A Mayo Clinic specialist explains what you need to know about taking aspirin if you're…
繼續閱讀Asthma and acid reflux: Are they linked?
A Mayo Clinic expert explains how acid reflux can make asthma worse.
繼續閱讀Asthma attack
Learn how to recognize when you need to use quick-relief treatment or get emergency care.
繼續閱讀Asthma diet: Does what you eat make a difference?
Can what you eat affect your asthma? Learn how healthy eating habits may reduce asthma…
繼續閱讀Asthma inhalers: Which one's right for you?
With so many options, choosing an asthma inhaler can be confusing. Use this helpful guide…
繼續閱讀Asthma: Limit asthma attacks caused by colds or flu
If you have asthma, find out how to keep your sneeze from turning into a…
繼續閱讀Asthma medications: Know your options
Learn more about the different categories of medications to help you control asthma symptoms.
繼續閱讀Asthma: Steps in testing and diagnosis
Think you or your child might have asthma? Here's what's involved in making a diagnosis.
繼續閱讀Asthma treatment: 3 steps to better asthma control
Follow this 3-step approach to keep symptoms under control and prevent attacks.
繼續閱讀Astigmatism
Imperfect curvature of your eye can cause blurred distance and near vision. Learn about this…
繼續閱讀At-home colon cancer tests
Learn about at-home colon cancer tests. Find out why or why not to have one.
繼續閱讀Athlete's foot
Find out about this common fungal skin infection that usually starts between the toes. It…
繼續閱讀Atkins Diet: What's behind the claims?
Considering cutting carbs to lose weight? Get the facts about the Atkins Diet.
繼續閱讀Atopic dermatitis (eczema)
Learn about the causes, symptoms and treatments of this itchy rash that most often begins…
繼續閱讀Atrial fibrillation
A fast, pounding heartbeat could be due to AFib, a type of heart rhythm disorder….
繼續閱讀Atrial fibrillation ablation
Learn how heat or cold energy can treat an irregular heartbeat called atrial fibrillation (AFib).
繼續閱讀Atrial fibrillation and managing stress
Stress, anxiety and depression are bad for your heart, but whether they trigger AFib is…
繼續閱讀Atrial flutter
Learn more about this condition in which the heart's upper chambers beat too quickly, causing…
繼續閱讀Atrial flutter ablation
This treatment uses heat energy to treat a rapid, fluttering heartbeat. Know why and when…
繼續閱讀Atrial septal defect (ASD)
This heart problem that is present at birth causes a hole between the heart's upper…
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