People who continued taking donepezil did better on two different scales of cognition and impairment than those taking no medication or those taking memantine alone.

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Four points are all that is required to establish two widely varying scales.

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Another study, published in the journal Phytotherapy Research in March, tested BCM-95 in 45 patients at a medical center in India and found two capsules daily had "comparable" efficacy to diclofenac sodium, a prescription anti-inflammatory, on two separate rating scales for pain, tenderness and disease severity.

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So supplying energy at civilization-enabling scales always faces two challenges: production and delivery.

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After 18 months, the average mental decline in the DHA and placebo groups was nearly identical, as measured on two separate tests and rating scales.

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You'll then need to send a software update to the scales, which took a forgivable two minutes.

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Two more characteristics of Asian capitalism tilt the scales against minority shareholders.

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With two-thirds of American adults tipping the scales these days as overweight or obese, the same lawyers and activists who took on Big Tobacco are now sharpening their knives for their next target: Big Food.

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JoAnn Scales, who brought her three teenage children on a two-day bus journey from Los Angeles, California, to Jena, made the same point.

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Turning Big Data into actionable data is made possible by at least two key factors: (1) cloud computing, which scales in processing power, thereby allowing (2) the application of business intelligence, which works most efficiently when integrated with the cloud.

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So will the world's number two PC manufacturer holding an axe over Sony's neck head tip the scales?

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Two West Midlands police forces say they will give new constables the maximum wage on new national pay scales in order to attract the best recruits.

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Early balance scales--first seen in Sumeria about 9, 000 years ago--consisted of two weighing pans attached to either end of a beam, which sat delicately balanced on a central pivot.

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