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1 billion people with high blood pressure by 2025

The proportion of the world’s adult population with high blood pressure is predicted to increase from a quarter to a third by 2025, totalling over one billion, conclude authors of a study published in this week’s issue of The LANCET.

13 Jan 2005

Morse code for human cells

Morse code is a simple, effective and clear method of communication and now scientists believe that cells in our body may also be using patterns of signals to switch genes on and off. The discovery may have major implications for the pharmaceutical industry as the signalling molecules that are targeted by drugs may have more than one purpose.

10 Jan 2005

Isolating intensive-care patients infected with MRSA does not reduce cross-infection

Results of a UK study published online suggest that the widely practised approach of isolating intensive-care patients infected with MRSA does not reduce cross-infection. Authors of the study caution that this finding should not be extended to general hospital wards, and needs further confirmation from larger studies.

7 Jan 2005

Herpes virus is everywhere and it's unavoidable

While not the first, the researchers report that this study uses the most sensitive techniques in a cross-sectional assessment performed to date of the presence of HSV-1 DNA in the eyes and mouths of healthy individuals, in terms of population size and total samples collected.

6 Jan 2005

Easier access to emergency contraception would not increase the risk of STDs

Making it easier to obtain emergency contraception would not increase unprotected intercourse, lead to abandonment of regular contraception, or increase the risk of sexually transmitted infections (STIs), according to a study in the January 5 issue of JAMA.

5 Jan 2005

3 or more alcoholic drinks increases risk of ischemic stroke by 45%

A new study led by researchers at Beth Israel Deaconess Medical Center (BIDMC) and the Harvard School of Public Health (HSPH) has found that heavy drinkers -- men who consume an average of three or more alcoholic beverages per day -- are nearly 45 percent more likely to suffer an ischemic stroke compared with nondrinkers.

4 Jan 2005

Chronic constipation is uncomfortable, but not dangerous

There are a lot of common myths about constipation treatment. An article in the January issue of The American Journal of Gastroenterology dispels those myths and clears numerous misconceptions regarding chronic constipation.

4 Jan 2005

Link between fast food, weight gain, and insulin resistance

Researchers have shown a correlation between fast food, weight gain, and insulin resistance in what appears to be the first long-term study on this subject.

3 Jan 2005

Economic impact of migraine headaches on American businesses is staggering

With more than 28 million Americans suffering from debilitating migraine headaches each year, employers also suffer through missed days from work and reduced productivity.

30 Dec 2004

High levels of a blood protein called mannose-binding lectin associated with lower risk of heart attack

High levels of a blood protein called mannose-binding lectin (MBL) are associated with lower risk of heart attack, particularly among diabetics, report Saevardottir and colleagues.

28 Dec 2004

Wireless technology does not affect pacemakers and defibrillators

With the dynamic evolution of wireless technology, Mayo Clinic researchers have been concerned about the potential effects of electromagnetic interference on heart pacemakers and implantable cardioverter-defibrillators.

22 Dec 2004

FDA approves Enablex for the treatment of overactive bladder

Novartis Pharmaceuticals Corporation today announced that the U.S. Food and Drug Administration (FDA) has approved Enablex® (darifenacin) extended-release tablets (7.5mg and 15mg) for the treatment of overactive bladder (OAB) with symptoms of urge urinary incontinence, urgency and frequency.

22 Dec 2004

Size of myocardial infarct measured using MRI

In animal studies, researchers at Johns Hopkins have effectively used magnetic resonance imaging (MRI) to measure with 94 percent accuracy the size and amount of heart muscle damaged by a heart attack, known in medical terms as a myocardial infarct, or m.i., for short.

20 Dec 2004

Model simulates dynamics of heart rhythm disorders

Dutch researcher Kirsten ten Tusscher has developed a model that can simulate the electrical behaviour of the heart during heart rhythm disorders. One of the things her model revealed is that the electrical activity of the heart during a rhythm disorder is much less chaotic than was originally thought.

20 Dec 2004

Detrol LA significantly reduces symptoms of overactive bladder

Pfizer today announced results of a comprehensive six-year review of efficacy and safety data for Detrol LA (tolterodine tartrate extended release capsules) indicating that Detrol LA significantly reduces symptoms of overactive bladder (OAB) with a low occurrence of side effects, and should be considered first-line therapy.

13 Dec 2004

Notebook computers can have a negative effect on male fertility

US fertility experts are warning teenage boys and young men to consider limiting the time that they use notebook computers positioned on their laps, as long-term use may affect their fertility.

13 Dec 2004

Discovery of key immune system molecules that helps determine how effectively a person resists HIV infection

A team of researchers based partly in South Africa has identified a key set of immune system molecules that helps determine how effectively a person resists infection with human immunodeficiency virus (HIV).

8 Dec 2004

Cardiovascular experts issue blueprint for safer X-Ray imaging

Millions of invasive cardiovascular procedures that involve the use of potentially hazardous X-rays are done in the United States each year.

8 Dec 2004

Physically fit men visit their doctors less frequently

Physically fit men had fewer overnight hospital stays and visited their doctors less frequently, according to the results of a long-term study published this month in Medicine & Science in Sports & Exercise, the official scientific journal of the American College of Sports Medicine (ACSM).

7 Dec 2004

New advances in sickle cell disease

Excruciating pain episodes, recurrent pneumonias, strokes, severe infections, chronic hemolytic anemia, and secondary pulmonary hypertension are common complications of sickle cell disease, a life-threatening inherited defect in blood that causes normally disc-shaped red blood cells to take on a sickle shape.

6 Dec 2004