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.
Increased NEK2 gene expression linked to increased drug resistance, faster cancer growth, and poorer patient outcome - The finding may improved diagnostic and prognostic tools for cancer care and could lead to improved cancer therapies
The prevalence of hypoactive sexual desire disorder after hysterectomy does not vary with the surgical technique used, researchers report.
Research at the University of Edinburgh tracked electrical signals in the part of the brain linked to spatial awareness.
Researchers have found new evidence that metabolic stress can increase the onset of atrial arrhythmias, such as atrial fibrillation (AF), a common heart condition that causes an irregular and often abnormally fast heart rate.
New research led by the Karolinska Institutet, Sweden and the University of Glasgow, Scotland, has identified a link between a human gene and the composition of human gastrointestinal bacteria.
The ability to focus and switch tasks readily amid distractions was compromised for up to two months following brain concussions suffered by high school athletes, according to a study at the University of Oregon.
An intensivist-led, multidisciplinary rapid-response team with extended involvement in patient care yields multiple benefits, say researchers.
In a study published in Current Biology, scientists from the University of Rochester Medical Center, Marquette University and Oberlin College discovered a new way in which calcium signaling may be controlled. Study authors say their findings define a mechanism for regulating calcium signaling that has never been recognized before and should be of great help to the thousands of scientists who study the extremely important role of calcium signaling in health and disease.
New research reveals a shared genetic susceptibility to epilepsy and migraine. Findings published in Epilepsia, a journal of the International League Against Epilepsy (ILAE), indicate that having a strong family history of seizure disorders increases the chance of having migraine with aura (MA).
For individuals with agonizing pain, it is a cruel blow when the gold-standard medication actually causes more pain. Adults and children whose pain gets worse when treated with morphine may be closer to a solution, based on research published in the January 6 on-line edition of Nature Neuroscience.
When a young athlete dies unexpectedly on the basketball court or the football field, it's both shocking and tragic. Now Stanford University School of Medicine researchers have, for the first time, identified the molecular basis for a condition called hypertrophic cardiomyopathy that is the most common cause for this type of sudden cardiac death.
Research out of the George Washington University (GW), published in the journal Proceedings of the National Academy of Sciences (PNAS), reveals another piece of the puzzle in a genetic developmental disorder that causes behavioral diseases such as autism.
Dartmouth scientists have demonstrated the importance of the gene Plvap and the structures it forms in mammalian physiology in a study published in December by the journal Developmental Cell.
Wiley is pleased to announce the publication of a practical how-to guide to apply and re-apply to the National Science Foundation (NSF), written by authors with successful grant histories and NSF "insider" knowledge.
A new study led by North Carolina researchers has found that when it comes to weight- and fat loss, aerobic training is better than resistance training. The study is believed to the largest randomized trial to directly compare changes in body composition induced by comparable amounts of time spent doing aerobic and resistant training, or both in combination, among previously inactive overweight or obese non-diabetic adults.
The Society for Integrative and Comparative Biology (SICB), one of the oldest and most prestigious interdisciplinary biological organizations, will hold its annual meeting at the Hilton San Francisco, Union Square, in San Francisco, CA, from January 3 to 7, 2013. More than 1,500 scientists will present the latest research on animal ecology, evolution, physiology, neurobiology, and biomechanics, offering journalists a rich assortment of news and feature possibilities.
Losing weight and saving money are perenially the top New Year's resolutions made by many Americans. But both require behavioral changes and a certain amount of discipline.
What happens when graduate students in biology are given the freedom to play, dabble in new fields, launch into the unknowns of genuine research, not worry about getting "good" results?
Two studies in The Journal of General Physiology (JGP) help pave the way for a "shortcut" model-free approach to studying activation of "polymodal" ion channels-channels that open in response to multiple stimuli. Transmembrane ion channels respond to various physiological stimuli to regulate numerous cellular functions. Different classes of channels respond to different types of stimuli; some channels, for instance, respond to changes in membrane potential whereas others are activated by ligand binding.
Researchers at McGill University have discovered that a key regulator of energy metabolism in cancer cells known as the AMP-activated protein kinase (AMPK) may play a crucial role in restricting cancer cell growth. AMPK acts as a "fuel gauge" in cells; AMPK is turned on when it senses changes in energy levels, and helps to change metabolism when energy levels are low, such as during exercise or when fasting.
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