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News tagged with rhythm

Not just bleach: Hydrogen peroxide may tell time for living cells

If a circadian rhythm is like an orchestra - the united expression of the rhythms of millions of cells - a common chemical may serve as the conductor, or at least as the baton.

Medicine & Health / Medical research

created Nov 03, 2009 | popularity 4.6 / 5 (7) | comments 2

Researchers develop innovative imaging system to study sudden cardiac arrest

A research team at Vanderbilt University has developed an innovative optical system to simultaneously image electrical activity and metabolic properties in the same region of a heart, to study the complex mechanisms that ...

Medicine & Health / Medical research

created Oct 30, 2009 | popularity not rated yet | comments 0

Concurrent imaging of metabolic and electric signals in the heart

Cardiac rhythm disorders can result from disturbances in cardiac metabolism. These metabolic changes are tightly linked with specific cardiac electrophysiology (CEP) abnormalities, such as depressed excitability, impaired ...

Medicine & Health / Medical research

created Oct 26, 2009 | popularity not rated yet | comments 0

Learning the risks for stroke -- and taking action

The theme of this year's World Stroke Day on 29th October is "What can I do?". As the World Stroke Organization says, everyone can do something: learn to recognise symptoms and take action, learn to recognise the risk factors ...

Medicine & Health / Other

created Oct 23, 2009 | popularity not rated yet | comments 0

Researchers find new mechanism for circadian rhythm

Molecules that may hold the key to new ways to fight cancer and other diseases have been found to play an important role in regulating circadian rhythm, says Liheng Shi, a researcher in Texas A&M's Department of Veterinary ...

Chemistry / Biochemistry

created Oct 20, 2009 | popularity 5 / 5 (2) | comments 0

Hunting for rhythm's DNA: Computational geometry unlocks a musical phylogeny

(PhysOrg.com) -- Does Bo Diddley rule the world? Though he died last year, the iconic singer and guitarist of American blues and rock still rules the rhythms of the world, says computer scientist Godfried ...

Other Sciences / Social Sciences

created Oct 20, 2009 | popularity 5 / 5 (3) | comments 0

The food-energy cellular connection revealed

Our body's activity levels fall and rise to the beat of our internal drums—the 24-hour cycles that govern fundamental physiological functions, from sleeping and feeding patterns to the energy available to our cells. Whereas ...

Medicine & Health / Medical research

created Oct 15, 2009 | popularity 4.6 / 5 (8) | comments 1

Gene mingling increases sudden death risk

A multi-national research team has discovered that two genetic factors converge to increase the risk of sudden cardiac death.

Medicine & Health / Genetics

created Oct 12, 2009 | popularity not rated yet | comments 0

New pattern in our biological clock overturns long-held theory

(PhysOrg.com) -- University of Michigan mathematicians and their British colleagues say they have identified the signal that the brain sends to the rest of the body to control biological rhythms, a finding that overturns ...

Medicine & Health / Medical research

created Oct 08, 2009 | popularity 4.9 / 5 (22) | comments 4

Study offers less complex, minimally invasive procedure to treat heart valve leak

Cardiac experts at Rush University Medical Center are studying a new, minimally invasive procedure to treat leaky heart valves. Instead of open heart surgery, patients will undergo a less complex catheter-based procedure ...

Medicine & Health / Medical research

created Sep 29, 2009 | popularity not rated yet | comments 0

Women with diabetes at increased risk for irregular heart rhythm

Diabetes increases by 26 percent the likelihood that women will develop atrial fibrillation (AF), a potentially dangerous irregular heart rhythm that can lead to stroke, heart failure, and chronic fatigue. These are the ...

Medicine & Health / Diseases, Conditions, Syndromes

created Sep 28, 2009 | popularity not rated yet | comments 0