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What is hypertension?
health.howstuffworks.com/diseases-conditions/cardiovascular/blood-pressure/what-is-hypertension.htm
What is hypertension? Learn more about hypertension from Discovery Health.
Varicose Veins Causes and Treatments
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Varicose veins are a common beauty skin problem. Learn about how varicose veins work at HowStuffWorks.
How Air Purifiers Work
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Americans spend an estimated $250 million annually on air purifiers for their homes. Learn why people buy air purifiers and how they work.
Aromatherapy: Thyme
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Thyme has antiseptic properties and is used in aromatherapy preparations like mouthwashes and salves. Learn more about this essential oil.
How To Calculate Your Pregnancy Due Date
Once your pregnancy has been confirmed, what you most want to know is your due date. The average length of a pregnancy is 40 weeks, or 280 days, from the first day of the last normal menstrual period. Here's an example of how it works.
How can a bracelet track your heart rate?
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Can you depend on a bracelet to track your heart rate while you're working out? Learn about heart rate bracelets at HowStuffWorks.
Yang Organs Overview
health.howstuffworks.com/wellness/natural-medicine/chinese/yang-organs.htm
The yang organs, in traditional Chinese medicine, separate impure substances from food and drain them from the body. Learn how yang organs work.
Aromatherapy: Cypress
health.howstuffworks.com/wellness/natural-medicine/aromatherapy/aromatherapy-cypress.htm
Cypress can be used in aromatherapy preparations to reduce stress or fight infections when applied to the skin. Learn more about this essential oil.
What are the symptoms of atrial fibrillation?
health.howstuffworks.com/diseases-conditions/cardiovascular/heart/how-atrial-fibrillation.htm
Atrial fibrillation is serious heart disease, but it's treatable if diagnosed early. Learn about EKGs, echocardiograms and other tests that detect AF symptoms.
How Artificial Hearts Work
science.howstuffworks.com/innovation/everyday-innovations/artificial-heart.htm
On July 2, 2001, heart failure patients gained new hope, as surgeons performed the first artificial heart transplant in nearly two decades. The AbioCor Implantable Replacement Heart is the first completely self-contained artificial heart and is expected to at least double the life expectancy of patients.