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Reel mowers rely on human exertion to both move and mow. Learn about the advantages reel mowers hold over gas-powered and rotary lawn mowers.

Estate Planning is vital to protecting your assets and your survivors future. Learn all there is to know about estate planning at HowStuffWorks.

Gingivitis, commonly called gum disease is the leading cause of tooth loss among adults. Learn how to care for your gums to avoid gingivitis.

Pet sitters do a job that many people would turn their nose at. Learn all about pet sitters at Animal Planet.

Do hybrid cars cause pollution? Find out if hybrid cars cause pollution at HowStuffWorks.

House trading is not a new idea, but it's become more popular in recent years. Learn the ins and outs of house trading in this article.

Celiac disease is an autoimmune disorder -- more than just a food allergy to gluten. Read about celiac disease, symptoms and treatment.

These Halloween safety tips help make the holiday fun and spooky while minimizing accidents and risks. Learn about Halloween safety at HowStuffWorks.

Aging causes include both genetic and environmental factors. Find out what research says about aging causes and rates of aging.

In vitro fertilization is the most common type of assisted reproductive technology. Learn more about how the vitro fertilization process works.

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