Self-test kits for a variety of conditions offer convenience, economy, and privacy. But not all are accurate or easy to use. Here's our take on when it's fine to test on your own and when to leave it to the pros.
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Blood-pressure monitors
Our Best Buy model delivers accuracy for $40. Our Ratings -
Blood-glucose meters
We found a model for under $10 that works well. Our Ratings -
Body-fat scales
How accurate are they measuring weight and body fat?
Constipation causes and treatments
Marvin M. Lipman, M.D., Consumers Union's chief medical adviser and a clinical professor emeritus of medicine at New York Medical College.
Marvin M. Lipman, M.D., Consumers Union's chief medical adviser and a clinical professor emeritus of medicine at New York Medical College.
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Do DNA test kits work?
Ads claiming to analyze DNA samples and provide genetic risk reports might sound like a great idea. But do they really work? -
Air purifiers: Beware
There's little evidence that they will help allergies or asthma. So read these tips before you buy one.
