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.
A new study shows that increased eating does not necessarily lead to increased fat. The finding in the much-studied roundworm opens the possibility of identifying new targets for drugs to control weight, the researchers say.
Whether you are fat or thin isn't directly determined by your eating habits, suggest researchers who report new findings made in worms in the June issue of Cell Metabolism, a publication of Cell Press.
In an effort to understand how genes work, a collaborative study which includes the University of Southern California (USC) has identified a gene that regulates glucose levels. The results, which will be published in the July issue of the Journal of Clinical Investigation and is currently available online, may provide further understanding of the underlying causes of diabetes.
As the cost of sequencing a single human genome drops rapidly, with one company predicting a price of $100 per person in five years, soon the only reason not to look at your "personal genome" will be fear of what bad news lies in your genes.
Scans of the genome of patients with schizophrenia have revealed rare spontaneous copy number mutations that account for at least 10 percent of the non-familial cases of the disease.
A mapmaker and a mathematician may seem like an unlikely duo, but together they worked out a way to measure longitude - and kept millions of sailors from getting lost at sea. Now, another unlikely duo, a virologist and a biophysicist at Rockefeller University, is making history of its own.
Scientists from the Universidad de Lleida (University of Lleida) have published a study confirming that maize seeds are an effective and sure platform within molecular agriculture to alleviate diseases. Over the next few years AIDS could be one of the first diseases to benefit from these results, although regulations for this technology are being developed at the same time as research is being undertaken.
As part of the University of Leicester's 50th Anniversary celebrations, a world leader in eye disorders is to give a talk on 'Dancing Eyes' on Monday 30th June 2008 at 5.30pm.
New research by the Gladstone Institutes of Cardiovascular Disease (GICD) and the University of California, San Francisco (UCSF), has revealed the genetic determinants of fat storage in cells, which may lead to a new understanding of and potential treatments for obesity, diabetes, and heart disease. While scientists have long understood that lipid droplets contribute to fat build up in cells, the genes involved in droplet biology have been a focus of extensive research.
Researchers at Georgia Tech have developed a narrowband filter mosaic that will expand the uses and functionality of multispectral imaging-a technology that enables subsurface characterization.
Many patients may soon find relief from the bloating, cramping, abdominal pain and constipation associated with irritable bowel syndrome, or IBS.
The concept sounds ideal: vaccines made of DNA that could be taken in by other cells and give instructions for how to fight off different diseases. The reality, however, has fallen short. Although DNA vaccines have been around for about 15 years and shown lots of promise for HIV, SARS and influenza vaccines during preclinical testing in mice, researchers have yet to make them potent enough to be helpful in humans.
Losing a limb can be a traumatic experience and, in some cases, emotional and physical pain can linger for years. To better understand the phenomenon, dubbed "phantom limb syndrome," Université de Montreal graduate student Emma Duerden is inviting amputees to come forward and share their experiences for a major study.
Researchers at Columbia University Medical Center have illuminated a window into how abnormalities in microRNAs, a family of molecules that regulate expression of numerous genes, may contribute to the behavioral and neuronal deficits associated with schizophrenia and possibly other brain disorders.
A study, led by University of Iowa researchers, reveals a new dimension for a key heart enzyme and sheds light on an important biological pathway involved in cell death in heart disease.
University of Florida researchers have identified a drug compound that dramatically lowers blood pressure, improves heart function and - in a remarkable finding - prevents damage to the heart and kidneys in rats with persistent hypertension
Researchers in the United States say they have produced a stem cell made from ordinary mouse skin cells which they have coaxed into becoming three different types of heart and blood cells in mice.
Stem cell researchers at UCLA were able to grow functioning cardiac cells using mouse skin cells that had been reprogrammed into cells with the same unlimited properties as embryonic stem cells.
Hydrogen sulphide is a gas most commonly associated with the smell of stink bombs, sewage and rotten eggs, but a team of researchers from the Peninsula Medical School in the South West of England and King's College London have now identified a role for this gas in regulating blood pressure, according to research published in the leading science journal "Circulation".
When the eye tracks a bird's flight across the sky, the visual experience is normally smooth, without interruption. But underlying this behavior is a complex coordination of neurons that has remained mysterious to scientists. Now, UCSF researchers have broken ground in understanding how the brain generates this tracking motion, a finding that offers a window, they say, into how neurons orchestrate all of the body's movements.
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