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For tests such as blood pressure, cholesterol, and blood sugar,
the range that is defined as normal may change over time, as more
information becomes known about the health of people whose
results were considered to be in the normal range.
Earwax helps keep the ear canal clean, but if it dries out it can clump together and cause a blockage. A few drops of water held in the ear canal for a minute or so will usually dislodge the wax.
Topical pain-relief products provide quick relief for sore
muscles and joints, but they vary in effectiveness. People whose
stomachs are sensitive to oral pain relief medications may prefer
to use a cream or ointment.
Eating fish has clear health benefits, but not all kinds of fish
are healthy. Broiled or baked fish is better than breaded, fried
fish. And fish is not a healthy choice for everyone. Pregnant
women and some heart patients should watch their fish intake.
How is it possible for someone with significant coronary artery
disease to perform well on a cardiac stress test? Wouldn't there
be some signs of trouble?
I heard about a study that found people who sleep six and a half
to seven hours a night will live longer than those sleeping eight
to nine. What is the right amount of sleep?