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 team led by researchers at Albert Einstein College of Medicine of Yeshiva University has found a clear link between living to 100 and inheriting a hyperactive version of an enzyme that rebuilds telomeres - the tip ends of chromosomes. The findings appear in the latest issue of the Proceedings of the National Academy of Sciences.
James Oliver picked up an Xbox game controller, looked up to a video screen and used the device's buttons and joystick to fly through a patient's chest cavity for an up-close look at the bottom of the heart.
Researchers at the Swedish medical university Karolinska Institutet have discovered a mechanism that controls the brain's ability to create lasting memories. In experiments on genetically manipulated mice, they were able to switch on and off the animals' ability to form lasting memories by adding a substance to their drinking water. The findings, which are published in the scientific journal PNAS, are of potential significance to the future treatment of Alzheimer's and stroke.
When a fetus is smaller than expected for the number of weeks of pregnancy, due to associated problems like a poorly developed heart, health concerns as severe as brain damage can result.
The world record for fastest text message typing is held by a 21-year old college student from Utah, but his dexterous digits could mean serious injury later on. Most adults aged 18-21 prefer texting over e-mail or phone calls, and ergonomics researchers are starting to wonder whether it's putting the younger generation at risk for some overuse injuries - once reserved for older adults who have spent years in front of a computer.
For parents of children with cancer, the hopeful news is that pediatric survival rates have steadily improved for decades. Among the bad news-treatments that enable survival often cause infertility.
Rosetta Genomics, Ltd., a leading developer of microRNA-based molecular diagnostics, announced today that the United States Patent and Trademark Office (USPTO) has issued U.S. Patent No. 7,592,441 to Rosetta Genomics. The patent relates to human microRNA miR-193b, as well as to complementary probes and vectors. This is the third patent issued to Rosetta Genomics by the USPTO.
The American Thyroid Association has released new, revised Management Guidelines for the diagnosis and treatment of patients with thyroid nodules and thyroid cancer. The new guidelines are published in Thyroid, a peer-reviewed journal published by Mary Ann Liebert, Inc. (www.liebertpub.com).
Alnylam Pharmaceuticals, Inc., a leading RNAi therapeutics company, announced today that it presented new data related to its overall delivery research efforts including the rational design of Mimetic Lipoprotein Particles, or MLPs, a novel technology for the systemic delivery of small interfering RNAs, or siRNAs, the molecules that mediate RNAi.
With the current outbreak of influenza-like illnesses, many people are trying to boost their immune systems with supplements. Ginseng is often a key ingredient, but its therapeutic use may extend far beyond that. Researchers are now investigating whether ginseng can help relieve health problems ranging from diabetes to depression to erectile dysfunction.
A study by six researchers, including a University of Colorado at Boulder associate professor and his former doctoral student, shows that amputees who use running-specific prosthetic legs have no performance advantage over counterparts who use their biological legs.
Alnylam Pharmaceuticals, Inc., a leading RNAi therapeutics company, announced today that it has advanced to the RNAi therapeutic collaboration stage of its landmark alliance with Roche formed in 2007.
As rates of obesity, diabetes, and related disorders have reached epidemic proportions in the US in recent years, scientists are working from many angles to pinpoint the causes and contributing factors involved in this public health crisis. While sedentary lifestyles and diets high in sugar and fat contribute significantly to the rise in diabetes rates, genetic factors may make some people more vulnerable than others to developing diabetes.
NanoLogix, Inc. announces that the company has recently filed BNP™ (BioNanoPore) national patent applications in China, Japan, India, Brazil, Russia and the EU. These applications were filed in order to obtain intellectual property protection for the company's technology in countries viewed as representing the largest potential international market for BNP rapid detection, a revolutionary sandwiched-membrane Petri-based technology that can reduce microorganism detection times by 100-400%.
CNS Response, Inc. reported the results of a landmark study presented by Charles DeBattista, D.M.H, M.D., at the U.S. Psychiatric and Mental Health Congress.
Researchers at the University of Maryland School of Medicine have made an important discovery about why potassium builds up to dangerous levels in the bloodstream, a relatively common medical problem that affects about eight percent of hospitalized patients.
Longer toes and a unique ankle structure provide sprinters with the burst of acceleration that separates them from other runners, according to biomechanists.
Researchers have reduced breast cancer metastasis to bone using an experimental agent to inhibit ROCK, a protein that was found to be over-expressed in metastatic breast cancer.
Hoping to keep the flu at bay? A strong immune system helps. Enjoying the bounty of colorful fruits and vegetables available right now can be an important step toward supporting your family's immune system this cold/flu season.
Eighteen years ago this month the National Institutes of Health (NIH) announced that it would sponsor a landmark study to examine women and cardiovascular disease. Known as the Women's Health Initiative (WHI), the study enrolled more than 161,000 women.
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