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.
UCLA life scientists have created an accurate new method to identify genetic markers for many diseases -- a significant step toward a new era of personalized medicine, tailored to each person's DNA and RNA.
In an advance that may potentially lead to new treatments for parasitic hookworms, scientists at the University of Massachusetts Medical School and Cornell University have sequenced the genome of the hookworm, Ancylostoma ceylanicum.
GLP-1 is a hormone that regulates glucose levels in the body by stimulating the secretion of insulin, and GLP-1 also inhibits appetite. "We have found that GLP-1 is reduced by up to 25% among people with pre-diabetes and up to 20% among obese people compared to normal weight people.
Over 1,500 scientists from 30 countries and 46 states will attend next week's 56th Annual Drosophila Research Conference organized by the Genetics Society of America, March 4–8 in Chicago, IL.
Sexual biology may be the key to uncovering why Anopheles mosquitoes are unique in their ability to transmit malaria to humans, according to researchers at Harvard T. H. Chan School of Public Health and University of Perugia, Italy.
A new study by a University of Texas at Arlington physics team in collaboration with bioengineering and psychology researchers shows for the first time how a small area of the brain can be optically stimulated to control pain.
A group of anesthesiologists and toxicologists today issued a caution to parents and health care professionals about the use of general anesthetics in children.
Like the shape-shifting robots of "Transformers" fame, a unique class of proteins in the human body also has the ability to alter their configuration. These so-named intrinsically disordered proteins (IDPs) lack a fixed or ordered three-dimensional structure, which can be influenced by exposure to various chemicals and cellular modifications.
Sleep researchers at the University of Adelaide are warning doctors and parents not to provide the drug melatonin to children to help control their sleep problems.
Michael M. Halassa, MD, PhD, assistant professor, Departments of Psychiatry and Neuroscience and Physiology at NYU Langone Medical Center's Neuroscience Institute, has been selected as a winner of the 2015 Sloan Research Fellowship.
Researchers at the UNC School of Medicine have found that the blood platelet protein Rasa3 is critical to the success of the common anti-platelet drug Plavix, which breaks up blood clots during heart attacks and other arterial diseases.
Hailed as miracle drugs when they hit the market two decades ago, statins, the cholesterol-lowering drugs prescribed to prevent heart attacks, are not as effective nor as safe as we have been led to believe, say Dr. David M. Diamond, a professor of psychology, molecular pharmacology and physiology at the University of South Florida, and Dr. Uffe Ravnskov, an independent health researcher and an expert in cholesterol and cardiovascular disease.
What started as an evolutionary protection against starvation has become a biological "bad joke" for people who need to lose weight. The human body doesn't distinguish between dieting and possible starvation, so when there is a decrease in calories consumed, human metabolism increases its energy efficiency and weight loss is resisted.
The average heart beats 35 million times a year - 2.5 billion times over a lifetime. Those beats must be precisely calibrated; even a small divergence from the metronomic rhythm can cause sudden death. For decades, scientists have wondered exactly how the heart stays so precisely on rhythm even though it contains so many moving parts.
Widely considered simply a malodorous toxic gas, hydrogen sulfide is now being studied for its probable role in regulating blood pressure, according to researchers.
A team led by researchers at Tufts University School of Engineering and the University of Pavia has reported development of the first three-dimensional tissue system that reproduces the complex structure and physiology of human bone marrow and successfully generates functional human platelets.
Whereas resistance to antibiotics complicates certain treatments, antimicrobial silver nanoparticles (AgNP) are gaining popularity for medical use. These particles are toxic for certain bacteria, but what about for humans? Researchers at INRS-Institut Armand-Frappier Research Centre have taken a step toward understanding the cellular and molecular mechanisms that affect these particles.
Pharma Major Lupin Limited announced today that its US subsidiary, Lupin Pharmaceuticals Inc. (collectively Lupin) has launched the all new InspiraChamber Anti-Static Valved Holding Chamber (VHC) under a strategic licensing agreement with the New Jersey based respiratory research and development company InspiRX Inc.
UT Southwestern Medical Center scientists have identified a new biomarker that could help identify patients who are more likely to respond to certain chemotherapies.
For the first time scientists from Umeå University show the importance of DNA damage in fine tuning of our innate immune system and hence the ability to mount the optimal inflammatory response to infections and other biological dangers.
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