Staying healthy
Learning Center
What is BPA? Should I be worried about it?
Find out more about BPA, a chemical used in some plastics and resins, and explore options for reducing your exposure.
What is a heart failure action plan?
Know when new heart failure symptoms require a call to a healthcare professional or an ER visit. An action plan can guide self-care.
What is chikungunya fever, and should I be worried?
Learn more about this mosquito-borne virus — found in Africa, Asia, India, and parts of Europe and the Americas — that causes fever and severe joint pain.
What is thirdhand smoke, and why is it a concern?
Tobacco smoke creates toxic residue that clings to walls, carpets, clothes and other surfaces.
What's the difference between H1N1 flu and influenza A?
H1N1 flu is a subcategory of influenza A.
When to brush your teeth
When should you brush your teeth? Learn how to protect your oral health.
White coat hypertension: When blood pressure rises in a medical setting
Blood pressure that measures high during a health checkup could be a risk factor for high blood pressure. Find out more.
White patch on skin: A cause for concern?
A small white patch on skin may have several causes, including eczema, psoriasis and vitiligo.
White stool: Should I be concerned?
White stool may mean a serious liver problem. Learn about causes.
Whole-body vibration: An effective workout?
Whole-body vibration — Don't give up regular exercise and a healthy diet.
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