Articles written by Kenneth Rosen

Showing 1-50 of 116 Articles

What Are the Glia and How Do They Function in the Nervous System?
Over the last decade the function of the glial cells in the nervous system has become much better understood. They do much more than simply support neurons.
Nov 19, 2011 - Kenneth Rosen
Study Identifies Potential Treatment for Glioma
A new study identifies a potential treatment target for gliomas by focusing on an enzyme important in the production of nitric oxide in cancer stem cells.
Jul 10, 2011 - Kenneth Rosen
The Diabetes Epidemic: The Healthcare Burden that will Follow
A recently published study shows that nearly 350 million adults worldwide are suffering from diabetes, a frightening prospect for future global health.
Jun 26, 2011 - Kenneth Rosen
Leading Causes of Death in the USA in 2009
The US Centers for Disease Control has released its latest statistical analysis of what diseases and other factors kill the most Americans.
Apr 3, 2011 - Kenneth Rosen
Historic Restaurants in Boston, Massachusetts
If a visit to Boston is on the agenda, a stop at some of the city's, and the country's, most longstanding restaurants may also be in order.
Feb 27, 2011 - Kenneth Rosen
How Different Types of Medical Imaging Work
If a doctor needs to see inside of the body there a number of different methods available that do not require the making of a single incision.
Feb 21, 2011 - Kenneth Rosen
The Chemical Structure of RNA
RNA is similar to DNA in many ways at the structural level however; the differences that are present make RNA chemistry very different than that of DNA.
Jan 23, 2011 - Kenneth Rosen
Boston Area Colleges and Universities
The Boston area and its environs are home to an extraordinary number of colleges and universities and institutions of specialty learning.
Jan 6, 2011 - Kenneth Rosen
Reverse Transcription Polymerase Chain Reaction or RT-PCR
Advances in PCR methods have dramatically altered not only the ways in which DNA sequences can be analyzed but also the characterization of messenger RNA.
Dec 19, 2010 - Kenneth Rosen
The Development of Genetic Testing
Advancements in the methods for analyzing DNA and chromosomes have dramatically changed the way in which genetic testing can be performed.
Nov 14, 2010 - Kenneth Rosen
Arrhythmias Are Alterations in the Normal Heart Beat
Changes from the normal heart rhythm are referred to as arrhythmias. Some of these changes are benign while others may be life threatening.
Oct 24, 2010 - Kenneth Rosen
Studying Changes in Gene Expression Using Microarrays
Technological advancements have allowed for the rapid, simultaneous analysis of the expression of thousands of genes on small filter membranes and chips.
Oct 17, 2010 - Kenneth Rosen
What Are Gallstones and How Do You Get Them?
The presence of gallstones in the gallbladder can either cause no symptoms at all or lead to inflammation, abdominal pain and a need for surgery.
Aug 22, 2010 - Kenneth Rosen
The Physiological Functions of the Pancreas
The pancreas is a remarkable abdominal gland that contributes significantly to both digestion and to hormonal regulation of body homeostasis.
Aug 14, 2010 - Kenneth Rosen
The Organs of the Digestive System and Their Functions
Water and nutrients are processed and absorbed throughout the digestive system, with different organs responsible for different tasks.
Aug 14, 2010 - Kenneth Rosen
The Inheritance of Mitochondria and Their DNA
Mitochondria are specialized organelles that generate energy for the cell. Few realize that mitochondria carry DNA and they are inherited from the mother.
Aug 8, 2010 - Kenneth Rosen
Transposition of the Great Arteries
A congenital heart defect where the two major vessels that carry blood away from the heart are attached to the wrong sites requires surgical repair.
Jun 18, 2010 - Kenneth Rosen
What is a Hernia and Where Do They Occur?
A hernia occurs when the muscles and connective tissues that keep the abdominal organs in place weaken or fail letting underlying tissue poke through.
Jun 17, 2010 - Kenneth Rosen
What is Smooth Muscle and How Does It Work?
Smooth muscle is found throughout the body and controls many bodily functions both minor and major.
Jun 16, 2010 - Kenneth Rosen
What are the Differences Between Dementia and Delirium?
Significant inappropriate changes in thinking or behavior can come from many causes but proper treatments depend upon correctly identifying the changes.
Jun 13, 2010 - Kenneth Rosen
What are Good Cholesterol and Bad Cholesterol?
Every cell requires cholesterol, but how it is transported through the bloodstream makes an enormous difference to overall health.
Jun 6, 2010 - Kenneth Rosen
Anticoagulation Therapy and Some Conditions for Which it is Used
For some medical conditions, reducing the clotting efficiency of the blood can be very important. Different types of drugs can be used to achieve this goal.
May 30, 2010 - Kenneth Rosen
U.S. FDA Asks Physicians to Report Improper Drug Advertisements
To help protect consumers, the Food and Drug Administration asks providers to inform them of false or misleading drug marketing, the "Bad Ad" program.
May 23, 2010 - Kenneth Rosen
Red Sox – Yankees Christens New Baseball Season
The 2010 Major League Baseball season begins with a matchup between two of the most storied franchises in the American League.
Apr 4, 2010 - Kenneth Rosen
What is a Stroke?
There is more than one cause of interrupted blood flow in the brain. Any significant interruption can cause a stroke or what some call a "brain attack."
Mar 28, 2010 - Kenneth Rosen
A New Approach to Cancer Treatment
The use of targeted therapies to fight tumor growth is changing the way that cancer is treated; a recent study suggests an entirely new approach.
Mar 24, 2010 - Kenneth Rosen
The Development of Transgenic Mice
The ability to express a specifically added gene of choice in mice by the process of transgenesis changed biological research forever.
Mar 16, 2010 - Kenneth Rosen
Post-translational Modification of Proteins
Messenger RNA may specify the primary structure of a protein but following translation numerous important alterations can occur.
Mar 14, 2010 - Kenneth Rosen
Transformation of Bacteria
One of the most common needs in a biotechnology or molecular biology laboratory is getting bacteria to take in recombinant DNA molecules.
Mar 13, 2010 - Kenneth Rosen
G Protein Coupled Receptors
More drugs are designed to impact on the activity of G-protein-coupled receptors (GPCRs) than perhaps any single class of cellular proteins.
Mar 13, 2010 - Kenneth Rosen
The Different Types of RNA in a Cell
The typical eukaryotic cell contains many different types of ribonucleic acid (RNA). These RNA molecules do much more than simply direct the synthesis of proteins.
Mar 13, 2010 - Kenneth Rosen
What is An ELISA?
Antibodies can be generated to specifically bind many different kinds of molecules and they can be used in assays where hundreds of samples are tested simultaneously.
Feb 21, 2010 - Kenneth Rosen
What is Spectrophotometry?
Using a spectrophotometer to determine how much of a particular wavelength of light is absorbed by a specimen can yield important insights into its characteristics.
Feb 20, 2010 - Kenneth Rosen
How Does Adrenaline Work?
The biological events that cause the adrenal glands to release adrenaline set in motion a wide array of changes in bodily functions.
Jan 25, 2010 - Kenneth Rosen
Hidden Salt in Foods
Trying to manage your sodium intake can be a challenge if you are on a low sodium diet. Extremely high amounts of sodium are in products you might not think of.
Jan 23, 2010 - Kenneth Rosen
Biology of the Stress Response
Ancient functions in the body are responsible for managing how we respond to stressful circumstances. Unfortunately, sometimes they can be over responsive.
Jan 16, 2010 - Kenneth Rosen
What is Frostbite?
When tissues are exposed to extremely cold temperature conditions ice formation inside of the tissue itself leads to cellular damage which can be irreversible.
Dec 16, 2009 - Kenneth Rosen
What is a Complete Blood Count?
Examining the numbers, types and appearances of the cells present in a blood sample taken from a vein can provide crucial information in diagnosing illnesses.
Dec 13, 2009 - Kenneth Rosen
Genes Genetics and Inheritance
Not all genes confer a dominant trait and having certain mutated genetic variants does not guarantee the development of an inherited disorder.
Dec 13, 2009 - Kenneth Rosen
Common Scientific and Medical Terms
Understanding this series of commonplace terms in the medical and research areas which define or modify different factors can make terminology easier to comprehend.
Dec 10, 2009 - Kenneth Rosen
What is Erythroblastosis Fetalis?
The presence of antibodies in a mother's circulation against certain blood antigens can spell trouble for a pregnancy and the newborn baby.
Dec 5, 2009 - Kenneth Rosen
What Controls Gene Expression?
When a specific type of cell needs a certain protein or other gene product to be synthesized, it can fine-tune the levels of production in a multitude of ways.
Nov 22, 2009 - Kenneth Rosen
Warnings About Bodybuilding Supplements
Numerous dietary supplements being sold to help users add muscle mass and strength contain potentially harmful anabolic steroid-related compounds.
Nov 14, 2009 - Kenneth Rosen
Who Discovered DNA?
Information about DNA abounds today, but few are aware that it was originally discovered in the 1860s, many years before its biological function was ever determined.
Nov 11, 2009 - Kenneth Rosen
Genes Linked to Parkinson Disease
Some cases of Parkinson disease are inherited. The gene alterations identified may point to cellular pathways involved in development of this neurodegenerative disorder.
Nov 11, 2009 - Kenneth Rosen
FluMist or Flu Shot?
Immunization against influenza can be undertaken by two different means of vaccination, but they have some very important differences.
Oct 10, 2009 - Kenneth Rosen
Treating Stomach Acid and Heartburn
The burning sensations created when the stomach has an excess of acid buildup can be reduced in a number of different ways.
Sep 15, 2009 - Kenneth Rosen
How the Retina Works
The ability to see begins with light entering the eye and the processing of visual signals by a highly interconnected series of specialized neurons.
Sep 14, 2009 - Kenneth Rosen
Gene Mutations and Melanoma
The incidence of malignant melanoma is rising steadily. New research has identified a series of mutations in a specific gene which may open new routes for treatment.
Sep 13, 2009 - Kenneth Rosen
The Spinal Column
The center axis of the body is the spinal column, 26 bones encasing the spinal cord and defining the entries and exits for many nerves in and out of the nervous system.
Sep 12, 2009 - Kenneth Rosen
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