Human physiology is the science of the mechanical, physical, and biochemical functions of humans in good health, their organs, and the cells of which they are composed. The principal level of focus of physiology is at the level of organs and systems. Most aspects of human physiology are closely homologous to corresponding aspects of animal physiology, and animal experimentation has provided much of the foundation of physiological knowledge. Anatomy and physiology are closely related fields of study: anatomy, the study of form, and physiology, the study of function, are intrinsically tied and are studied in tandem as part of a medical curriculum.
Octogenarian women were unable to increase muscle mass after a 3-month weight lifting program targeted at strengthening the thigh muscle, according to a new study from the Journal of Applied Physiology.
Understanding the tens of thousands of proteins that compose the human proteome has emerged as a key challenge of this century, and research efforts to date have already enabled major advances in drug discovery and understanding basic biology.
Patients with moderate to severe chronic obstructive pulmonary disease (COPD) exhibit a disordered breathing-swallowing pattern that may account for their higher risk of aspiration pneumonia, according to new research from the University of Pittsburgh.
Research conducted by Nobel laureate Paul Greengard, Medical Director of The Michael Stern Parkinson's Research Center at The Rockefeller University, Dr. Jennifer L. Warner-Schmidt in New York and colleagues in Sweden, demonstrated in the Journal of Neuroscience that the brain protein called p11 could lead pharmaceutical companies to develop anti-depression drugs that begin working within hours or days rather than the weeks or even months required by current drugs.
A new study has identified several common genetic variants related to a risk factor for sudden cardiac death.
Scientists know that alcohol affects the brain, but the specifics remain unclear.
Our circadian clock, or biological timing system, governs our daily cycles of feeding, activity and sleep.
The problem of high blood pressure has reached pandemic proportions, causing premature death through heart attacks, strokes and kidney disease in a third of the UK population. For decades, scientists have battled at length over its cause yet still cannot agree; is the kidney or the brain to blame?
The University at Buffalo will receive $4.9 million in funding to conduct research on stem cells, part of a new investment in stem cell research announced yesterday by New York State Governor David A. Paterson.
Most people consume far too much salt, and a University of Iowa researcher has discovered one potential reason we crave it: it might put us in a better mood.
A new study led by University of Iowa researchers has found an unexpected new link between this inflammation in heart muscle following a heart attack and a previously known enzyme called calcium/calmodulin-dependent protein kinase II or CaM kinase II.
University of Washington (UW) researchers are helping to write the operating manual for the nano-scale machine that separates chromosomes before cell division.
Naked mole rats resemble pink, wrinkly, saber-toothed sausages and would never win a beauty contest, even among other rodents.
More than 40 percent of women ages 18-59 experience sexual dysfunction, with lack of sexual interest - hypoactive sexual desire disorder, or HSDD - being the most commonly reported complaint, according to medical researchers.
High levels of a protein linked to the way pain signals are sent to the brain led to a decrease in abdominal pain in a recent study in mice.
Researchers from the University of Michigan Comprehensive Cancer Center have identified a gene that is overexpressed in 90 percent of pancreatic cancers, the most deadly type of cancer.
The American Thyroid Association has recommended that all pregnant and breastfeeding women in the U.S. should take daily supplements containing 150 mcg iodine.
Capsaicin, the active ingredient in chili peppers, generally is viewed as an irritant that produces a burning sensation when applied to a sensitive area of the body, such as the cornea.
When participants performed a mentally fatiguing task prior to a difficult exercise test, they reached exhaustion more quickly than when they did the same exercise when mentally rested, a new study finds.
Which modules of the tau protein, in neurons of Alzheimer disease patients, may act in a destructive manner were investigated by researchers from the Max Planck Institute for Biophysical Chemistry (Göttingen) and the Max Planck Unit for Structural Molecular Biology (Hamburg) with the help of Nuclear Magnetic Resonance Spectroscopy ( PLoS Biology , February 17, 2009).
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