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SSRI antidepressants "hijack" dopamine signaling as well launching serotonin signals

Researchers have discovered that antidepressant drugs such as Prozac not only affect levels of the neurotransmitter serotonin in the brain, but also "hijack" dopamine signaling as well--causing it to launch serotonin signals. Their findings offer new insight into how Prozac and other "selective serotonin uptake inhibitors" (SSRIs) work and how they might cause problems in patients taking them.

6 Apr 2005

Kidney transplant can reverse systolic heart failure

Doctors at the University of Maryland Medical Center say that contrary to conventional thinking, a kidney transplant can significantly improve the heart function of people on dialysis with a serious form of heart failure.

6 Apr 2005

Micro-organisms in clouds could play a crucial role in the spread of disease

The radical theories about nanobacteria – micro-organisms considerably smaller than ordinary bacteria - in clouds are published in two recent articles in the Journal of Proteome Research by Dr Andrei P. Sommer of the University of Ulm, Germany, and Professor Chandra Wickramasinghe of Cardiff University, UK.

6 Apr 2005

Heart transplant patients benefit from new technology

New technology for cardiac transplant patients indicates a patient's risk of organ rejection with a simple blood test. News of this revolutionary testing method will be presented today at the International Society for Heart and Lung Transplantation's (ISHLT) Annual Meeting and Scientific Session in Philadelphia.

6 Apr 2005

Sensory deprivation reduces new cell size in the olfactory system

Sensory deprivation causes changes in new cell size and excitability in the olfactory system, which governs the ability to smell, according to a study in Neuron by a Yale School of Medicine researcher.

6 Apr 2005

Yeast discovery provides new insights into familial dysautonomia

A discovery in yeast that has important implications for finding a cure for a devastating disease of nerve cell failures -- called familial dysautonomia (FD) -- has been made by Cornell University researchers.

6 Apr 2005

SV40 does not have a role in the majority of malignant mesotheliomas

SV40 does not have a role in the majority of malignant mesotheliomas -- a cancer associated with exposure to asbestos – according to a study in this month's Cancer Research. The study, led by Mount Sinai School of Medicine researchers used a scrupulous protocol that eliminated contamination that has likely been the reason previous studies have implicated SV40 in this cancer.

6 Apr 2005

Hormonal contraceptives increase risk of HSV-2 transmission

Women who are infected with herpes simplex virus type 2 (HSV-2) may have an increased risk of transmitting the virus to others if they use hormonal contraceptives or have certain bacterial vaginal infections, according to an article in the May 15 issue of Clinical Infectious Diseases, now available online.

6 Apr 2005

Largest "gene deserts" yet discovered in the human genome sequence

A detailed analysis of chromosomes 2 and 4 has detected the largest "gene deserts" known in the human genome and uncovered more evidence that human chromosome 2 arose from the fusion of two ancestral ape chromosomes, researchers supported by the National Human Genome Research Institute (NHGRI).

6 Apr 2005

Risk of HIV transmission highest in early stage of infection

The risk of HIV transmission via heterosexual intercourse is highest early in the course of HIV infection, before most infected people know their HIV status, according to a new study published in the May 1 issue of The Journal of Infectious Diseases, now available online

6 Apr 2005

Fish oil, soluble fiber and antioxidants reduces need for traditional ulcerative colitis treatment

According to a study published in the American Gastroenterological Association (AGA) journal Clinical Gastroenterology and Hepatology, a nutritionally complete oral supplement enriched with fish oil, soluble fiber and antioxidants reduces reliance on traditional therapies for people with ulcerative colitis.

6 Apr 2005

New technology to help heart and lung patients awaiting transplants

Promising new technology may extend the life of a failing organ for patients suffering from heart or lung disease while they wait for a donor organ. The use of stem cells may eliminate the need for a transplant and even eradicate heart disease in patients.

6 Apr 2005

Cardiovascular Disease: Diet, Nutrition And Emerging Risk Factors

Despite improvements in death rates from cardiovascular disease (CVD) around the world, CVD remains a leading cause of death and ill health in the UK, where death rates are amongst the highest in the world. Reducing death rates from this disease remains high on the Government’s agenda, yet attention to the classical risk factors may not provide all the answers.

6 Apr 2005

Pentagon too slow responding to Anthrax scare

A report by officials in Maryland, Virginia and the District of Columbia says the Pentagon was too slow in informing local officials about the recent anthrax scare in Defence Department mail facilities and gave antibiotics to workers without coordinating with public health officials. It says the Homeland Security Department (DoD) "needs to be involved earlier in such incidents".

6 Apr 2005

No association found between diet and pancreatic cancer

According to researchers from the Harvard School of Public Health (HSPH), the risk of pancreatic cancer does not appear to be associated with dietary patterns.

5 Apr 2005

Europe wants checks for Sudan dyes

The European Commission will extend its checks for Sudan dyes to cover unprocessed palm oil and turmeric as a number of samples have tested positive for Sudan contamination and products have been withdrawn.

5 Apr 2005

Diuretics work better for high blood pressure

Study results by faculty members of the University of Texas School of Public Health at Houston suggests that the older, cheaper diuretics remain the drug of choice for both black and non-black patients in treating high blood pressure and reducing risk of heart disease, and confirms earlier findings that diuretics rather than newer, more expensive drugs such as ACE inhibitors, calcium channel blockers, or beta blockers should be preferred as a first therapy for most patients.

5 Apr 2005

Congress must act now to avert crisis and keep Medicare program strong

A survey of physicians released by the American Medical Association (AMA) indicates that steep Medicare payment cuts to physicians, nurses and other health professionals will hurt access to care for America's seniors and disabled.

5 Apr 2005

Pneumonia jab now available for over 65s in UK

People over 65 in the UK are to be offered a routine jab to help protect against diseases, including pneumonia, meningitis and septicaemia. Two in 1,000 over-65s are admitted to hospital with pneumococcal pneumonia each year and the infection can cause serious diseases.

5 Apr 2005

Cryoablation may be safer alternative for stopping abnormal electrical patterns

Freezing abnormal electrical pathways in the hearts of young patients may be a safer alternative to zapping them with powerful radiofrequency probes in order to treat tachycardias and other arrhythmias, according to a new study in the April 5, 2005, issue of the Journal of the American College of Cardiology.

5 Apr 2005