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 communication between brain cells increases levels of amyloid beta, the key ingredient in Alzheimer's brain plaques, scientists at Washington University School of Medicine in St. Louis have found.
Why does a beer taste better if it comes from the fridge and does a warm beer taste bitter? Why is red Bordeaux wine best drunk at room temperature? And what causes that unique taste sensation of ice cream?
With help from a common aquarium pet and a recently released online database of human genetic variation, a collaborative team of Penn State researchers has found what could be the most important skin color gene identified to date.
University of Florida researchers have identified one possible reason for rising obesity rates, and it all starts with fructose, found in fruit, honey, table sugar and other sweeteners, and in many processed foods.
Placing your foot accurately is a complicated process. If something moves where you plan to place your foot then you can adjust your step while your foot is swinging through.
People suffering generalised social phobia experience increased brain activity when confronted with threatening faces or frightening social situations, new research shows.
Chronic stress can induce rapid blocking of arteries after a balloon angioplasty procedure, according to research performed in animal studies at Georgetown University Medical Center. Blocked coronary arteries after angioplasty affect 41 percent of patients who undergo the procedure and can lead to death.
New experiments that prevented rat sperm stem cells from changing permanently into sperm have brought researchers one step closer to coaxing such cells to behave like embryonic stem cells, capable of growing into many other types of cells in the body.
The drug pravastatin, which is used widely to decrease high cholesterol, may provide a previously unknown cardiovascular benefit in addition to lowering lipids.
Certain behaviors, such as eating, drinking and urinating, are so crucial to survival that the brains of all vertebrates contain clusters of nerve cells that can suppress pain long enough to allow the animal to eat, drink - or pee - in peace.
Howard Hughes Medical Institute researchers have discovered that pheromones essential for mating behavior in mice are recognized by the nose and not by the vomeronasal system, as researchers had long suspected.
Howard Hughes Medical Institute researchers have discovered a vast network of neurons in the brain of mice that governs reproduction and controls the effects of reproductive status on other brain functions.
In the first study to show that lifelong exercise decreases cellular aging in the brain, scientists from the McKnight Brain Institute of the University of Florida say that moderately active rats have healthier DNA and more robust brain cells than their less active counterparts. The research was presented at the Society for Neuroscience's 35th annual meeting in Washington, D.C.
Keeping the body and mind healthy depends on keeping cells healthy and functioning. This means that cells need a very robust quality-control system to repair or remove damaged or misshapen proteins. Protein handling is especially important in neurons because damage or death of brain cells causes neurological disease.
A new study suggests that changes in gastric physiology perform better than standard polygraph methods in distinguishing between lying and telling the truth.
According to a new study it is suggested that it is the stomach rather than the heart that offers greater lie detection accuracy.
New research in monkeys suggests that, although living in an "enriched" environment can make someone less vulnerable to abusing cocaine, once started, extended drug abuse can eliminate the social advantage the abuser originally had.
Couples share wine, movies, vacations and bedrooms. Do couples also share sexual problems and solutions?
Helix BioPharma announced today the publication of a scientific paper in the Journal of Experimental Therapeutics and Oncology (volume 5, number 2, pp. 93-99), entitled "Urease-induced alkalinization of extracellular pH and its antitumour activity in human breast and lung cancers."
The discovery in 1977 that the coding regions of a gene could appear in separate segments along the DNA won the 1993 Nobel Prize in Physiology or Medicine for Richard J. Roberts and Phillip A. Sharp. The active segments of a gene were termed exons, separated from each other within the gene by inactive introns.
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