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.
Freezing eggs is one thing; thawing them safely so they can lead to pregnancy is the challenge. In the past, efforts to freeze a woman's eggs, or oocytes, have not worked well because the cells are large. When the egg is thawed, ice crystals cause damage that prevents the egg from being fertilized.
When you exercise or work outside in winter, that dry feeling at the back of your throat indicates the cold air has irritated your throat. Racehorses share a similar experience: exercising in below-freezing air causes mild airway injury.
An experiment that turned out very differently than expected led scientists at Washington University School of Medicine in St. Louis to the first direct link between inefficient metabolism and atherosclerosis.
Joslin Diabetes Center scientists have discovered a group of genes that govern the genesis of calorie-burning fat cells. This discovery may lead to novel ways to treat obesity in humans.
Revealing these distinct - but often overlapping - patterns of neural activity represents a significant step in understanding how the brain translates complex signals from odorant receptors in the nose into odor perception in the brain, the researchers said.
The same protein that "translates" sound into nerve signals to the brain and enables individuals to hear is also required for pain perception, researchers from Northwestern University Feinberg School of Medicine have found.
Debunking the myth that exercising to lose excess body fat, unlike dieting alone, comes at a cost to bone health, researchers at Johns Hopkins have determined that for those age 55 to 75, a moderate program of physical exercise generally maintains bone mass and, in some cases, offers modest improvements.
The American Diabetes Association has applauded the passage in the U.S. House of Representatives of legislation that would accelerate stem cell research by easing existing restrictions and supporting research that uses embryonic stem cells.
The American Diabetes Association today strongly expressed its support for federal legislation that would accelerate stem cell research by easing existing restrictions and supporting research that uses embryonic stem cells.
In this obesity-obsessed world, the dream ingredient must be something that tastes good enough to be a condiment or flavoring and yet somehow helps us keep our weight down. Consider hydroxycitric acid (HCA), known variously as Brindle berry or Malabar tamarind, which is used in Indian and Thai food as a condiment and flavoring agent.
Using state of the art imaging technology a team from Yale School of Medicine has glimpsed one of the cell's most important 'nano-machines' in action. The work, performed in collaboration with English and French scientists, provides new insight into the machinery cells use to internalize cell surface receptors.
In this obesity-obsessed world, the dream ingredient must be something that tastes good enough to be a condiment or flavoring and yet somehow helps us keep our weight down. Consider hydroxycitric acid (HCA), known variously as Brindle berry or Malabar tamarind, which is used in Indian and Thai food as a condiment and flavoring agent.
Green tea appears to protect against cancer by affecting a "promiscuous" protein that pharmaceutical experts are already targeting in an effort to develop a new drug to stop the disease, scientists at the University of Rochester Medical Center have found.
Fitness and strength decline during pregnancy and the early postpartum period, but improve by approximately 27 weeks postpartum regardless of the mother’s body mass index (BMI), according to research in the May issue of Medicine & Science in Sports & Exercise, the official journal of the American College of Sports Medicine (ACSM).
A new UCLA study shows that changes in certain brain receptors can affect seizures and anxiety during the menstrual cycle--findings that could lead to novel therapies for premenstrual dysphoric disorder (PMDD, formerly known as PMS) and other central nervous system symptoms associated with the menstrual cycle.
Cardiovascular patients now have a greater chance of surviving heart attacks after Chinese scientists developed a new drug which quickly dissolves blood clots and returns circulation to normal.
Streptococcus pneumoniae is a bacterium that can infect the upper respiratory tract and cause pneumonia, as well as infections in other parts of the body such as the bloodstream (bacteremia), lining of the brain and spinal cord (meningitis), bones (osteomyelitis), joints (arthritis), ears (otitis media) and sinuses (sinusitis).
An innovative study published in the latest online edition of the Journal of Physiology provides the first evidence that the insulin resistance typical of type 2 diabetes can be "programmed" across two generations by poor nutrition during a grandmother’s pregnancy and lactation.
The team found that minocycline, often used to treat acne, limits by about 50 percent the retinal damage caused by microglia. Microglia are cells that act as the "cleanup crew" for the Central Nervous System (CNS).
Just when we had all been convinced by information from just about every quarter, that fat was the bad guy of the diet kingdom, new research has found that a healthy dose of fat is needed for a healthy metabolism.
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