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soonseng

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soonseng
how many hours does a baby spend in a baby walker that will delay its first step by up to 4 days?
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soonseng
less than how many hours of sleep a night would run a person 2 to 3 times the risk of heart attack? what waist measurement or over is thought to increase a person's risk of getting a heart attack?
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soonseng
for how long has a brush been in use that would reduce its plaque removing ability up to 30 per cenr than a new one?

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