If you go too far, however -- either with extreme short-term activity or long-term overtraining -- the immune system weakens.
Pfizer ( PFE - news - people ): Long-term options activity on the pharmaceutical giant indicates some strategists expect shares in Pfizer to remain range-bound through June 2011 expiration.
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What studies alluded to have shown a connection between observed warming trends on Earth and long-term trends of cyclone activity?
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This shield does not stop all the cosmic rays from getting though, and its effectiveness varies with the long-term changes in the activity of the Sun, which can rise and fall on a timescale of centuries.
However, the results of the study reinforce the concept that any consistent physical activity can produce long term benefits.
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The findings of the study, which examined the subjects during just one 50-minute exposure, raise a key question, the researchers said: What, if any, are the long-term consequences of repeated increased brain activity due to exposure to cell phone radiation?
Archives are the by-products of human activity retained for their long-term historical value.
And, believe me, the world will eagerly await what it has to say, not just because of Junior Seau, but because of the knawing realization that a supposed healthy activity could have unhealthy long-term effects.
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Oscar Castro, a professor of urban planning at the ITESO Jesuit University of Guadalajara, says Mexico's housing strategy encouraged "throw-away" homes because the government was more interested in touting mortgage approvals and driving economic growth via construction activity than in providing long-term housing solutions.
Mr Davies has called it a long term project which should "bring much needed commercial activity within the property sector in Wales".
The report assumes that the recent financial crisis has had an impact on the level of economic activity, but none on long-term growth trends.
This activity is guided by a long-term strategy.
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The point is that administrations are always crafting long-term spending plans for defense and other facets of federal activity, and those plans almost never work out the way they were expected to because we live in a world of two-year political cycles and great global volatility.
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In the Middle East, the long-term contract wins in Saudi Arabia and the rapidly increasing upstream activity in Iraq should help the company post strong numbers.
According to a study from the National Institutes of Health, cell phones may alter your brain activity, and it could be potentially damaging in the long term.
Climate scientists have already looked at changes related to Sun spot activity - a cycle of approximately 11 years - and long-term changes in the Sun's brightness, which has a cycle that lasts for centuries.
That's at first glance a visible positive, but since at least two of the Big Three are already on taxpayer life support, won't our economy suffer over the long term due to the waste of human, financial and physical capital on economic activity that private investors will no longer fund?
The question market participants both long and short term want to figure out, was the last few weeks of corrective activity enough to position for some macro buys?
While many of us see this activity as just the early stages of what will become a long-term, sustainable component of the New York economy, some veteran observers are already forecasting the collapse of another tech bubble.
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What is certain is that the long-term fundamentals for gold remain strong, with a diverse and growing demand base, coupled with constrained supply side activity.
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