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Exercise Helps Reduce Falls in Young and Old

Posted: June 30, 2010 at 8:16 am

(HealthDay News) — Regular exercise reduces the risk of falls in both young and old, a new study shows.

Falls are a major hazard in the United States, with about 19,000 people dying from them each year and an estimated 8 million seeking treatment in emergency rooms annually.

The protective effect of exercise was documented by University of Pittsburgh researchers, who analyzed data from people taking part in the Aerobics Center Longitudinal Study from 1970 to 1989 and in a follow-up survey conducted in 1990. The survey asked whether they had fallen within the previous year and, if so, what they were doing when they fell.

Participants also took a treadmill test and answered questions about how many minutes of aerobic exercise they got each week.

Twenty percent of the 10,615 participants, aged 20 to 87, reported falling in the previous year. Of those, 15 percent fell while walking.

In general, people need about two hours of exercise a week to reduce the risk of falls, the researchers found.

Women were 2.8 times more likely than men to fall while walking, but the women’s fitness levels appeared to make little difference. Fitness levels in men were important, however: Men with low fitness levels were 2.2 times more likely to fall than men with high fitness levels. Read more…
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Recommendation and review posted by G. Smith

Episodic hypertension is a strong predictor of stroke risk

Posted: June 29, 2010 at 10:11 pm

The mechanisms by which hypertension causes vascular events are unclear. Guidelines for diagnosis and treatment focus only on underlying mean blood pressure.

In each TIA cohort in this study, visit-to-visit variability in systolic blood pressure (SBP) was a strong predictor of subsequent stroke (eg, top-decile hazard ratio [HR] for SBP 6·22), independent of mean SBP.

Maximum SBP reached was also a strong predictor of stroke (HR 15).

Visit-to-visit variability in SBP on treatment was also a strong predictor of stroke and coronary events (top-decile HR for stroke: 3·25) independent of mean SBP.

Visit-to-visit variability in SBP and maximum SBP are strong predictors of stroke, independent of mean SBP. Increased residual variability in SBP in patients with treated hypertension is associated with a high risk of vascular events.


Image source: BP device used for measuring arterial pressure. Wikipedia, GNU Free Documentation License.

Posted at Clinical Cases and Images. Stay updated and subscribe, follow us on Twitter and connect on Facebook.

Recommendation and review posted by G. Smith


Posted: June 29, 2010 at 9:25 pm

Listen to show #84 here!
RegenMedToday_084_June2010.mp3[11.0MB 00:28:22 80kbps]

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Regenerative Medicine Today welcomes Mr. Peter DeComo. Mr. DeComo is the Chairman and Chief Executive Officer of ALung Technologies, Inc., a company which develops respiratory assist technologies that are expected to provide a better alternative to traditional, invasive respiratory support. Mr. DeComo discusses the goal of ALung to advance lung replacement therapy as well as the challenges it faces as it nears its goals.

For more information about the ALung Technologies, Inc., please Click Here.

For more information about the McGowan Institute for Regenerative Medicine, visit: McGowan Institute Research Site

McGowan Institute Patient Site

Host John Murphy Subscribe to the Podcast Feed.

Recommendation and review posted by G. Smith

A genome story: 10th anniversary commentary by Francis Collins

Posted: June 29, 2010 at 8:17 am

For those of you who like stories with simple plots and tidy endings, I must confess the tale of the Human Genome Project isn’t one of those. The story didn’t reach its conclusion when we unveiled the first draft of the human genetic blueprint at the White House on June 26, 2000. Nor did it end on April 14, 2003, with the completion of a finished, reference sequence. [More]

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Recommendation and review posted by Fredricko

California Health Institute Interviews Jeffrey Janus – CEO of Lifeline Cell Technology

Posted: June 29, 2010 at 8:16 am

Recommendation and review posted by Fredricko

Alcohol consumption and raised body mass index (BMI) act together to increase risk of liver disease

Posted: June 29, 2010 at 8:15 am

Drinkers of 15 or more units per week in any BMI category and obese drinkers had raised relative rates for all definitions of liver disease, compared with underweight/normal weight non-drinkers.

The relative excess risk due to interaction between BMI and alcohol consumption was 5.58.

Raised BMI and alcohol consumption are both related to liver disease, with evidence of a supra-additive interaction between the two.

The occurrence of both factors in the same populations should inform health promotion and public health policies.


Image source: Wikipedia, public domain.

Posted at Clinical Cases and Images. Stay updated and subscribe, follow us on Twitter and connect on Facebook.

Recommendation and review posted by G. Smith

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