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New findings on the regulation of cellular growth

A greatly increased synthesis of new proteins is one of the first and most important events that occur in both normal and tumour cells upon growth stimulation.

21 Feb 2005

Lack of collagen increases likelihood of osteoarthritis

Duke University Medical Center researchers have found that joints whose cartilage lacks a specific type of collagen will develop osteoarthritis – the so-called "wear-and-tear" form of the disease – at a greatly accelerated rate.

20 Feb 2005

Young adults can be motivated to eat more servings of fruits and vegetables

Young adults can be motivated to eat more servings of fruits and vegetables if they are exposed to tailored, practical messages about nutrition, a University of Wisconsin-Madison nutritional scientist announced at the annual meeting of the American Association for the Advancement of Science (AAAS) in Washington, D.C.

20 Feb 2005

Exercise and dietary changes vital in taking and keeping off weight that is associated with many chronic health problems

When the National Academy of Science’s Institute of Medicine recently announced that Americans should exercise an hour a day to fight the country’s growing obesity epidemic, collective groans could be heard in big cities and small towns everywhere.

20 Feb 2005

Biologic therapies are changing the way dermatologists treat psoriasis

Recently approved and investigational biologic therapies are changing the way dermatologists treat psoriasis, a chronic disease that physically and emotionally challenges 4.5 million Americans. As more research is conducted into the effectiveness of these biologics, they are showing great promise for improving the health and well-being of patients with psoriasis.

20 Feb 2005

Global warming will bring climate-related health crises

As a result, governments and health officials need to begin to think about how to respond to an anticipated increase in the number and scope of climate-related health crises, ranging from killer heat waves and famine, to floods and waves of infectious diseases.

20 Feb 2005

Pitt researcher presents findings on when to accept organ transplants

A transplant is the only option for someone with end-stage liver disease, but patients face difficult questions when choosing the best time to receive a transplant.

20 Feb 2005

Mathematical model helps women determine frequency of mammograms

Researchers at Dana-Farber Cancer Institute in Boston have devised a mathematical tool that predicts how the frequency of mammograms affects the number of lives saved by detecting breast cancers at an earlier stage.

20 Feb 2005

Better ways to heal and regenerate bones using microcomputed tomography imaging

Tissue engineers can choose from a wide range of living cells, biomaterials and proteins to repair a bone defect. But finding the optimum combination requires improved methods for tracking the healing process.

20 Feb 2005

FDA approves new smallpox vaccination

The U.S. Food and Drug Administration (FDA) has approved Vaccinia Immune Globulin Intravenous (VIGIV) - the first intravenous human plasma-derived product available to treat certain rare complications of smallpox vaccination.

20 Feb 2005

Beta blocker lowers blood pressure and wards off repeat heart attacks

A form of beta blocker, a drug commonly used to lower blood pressure and ward off repeat heart attacks, may provide the answer to preventing osteoporosis, said a Baylor College of Medicine researcher.

20 Feb 2005

New bone marrow model could help people with sickle cell disease

A new model showing how sickle cell blood cells operate within bone marrow is presented at a conference in Austria today. Researchers at Imperial College London, who developed the model, hope that it will eventually be used by clinicians to advance more effective treatments for sickle cell disease.

20 Feb 2005

Green tea protects livers

A new study investigating the effects of the major flavonoid component of green tea on hepatic steatosis (fatty liver) found that it significantly protected livers that suffered ischemia/reperfusion (I/R) injury in mice. I/R injury, which is caused by decreased blood flow, can lead to complications after liver transplantation.

20 Feb 2005

Biochemical marker aids prognosis in liver transplant patients

A new study on whether the model used to identify patients most in need of a liver transplant can be improved upon found that measuring serum sodium in potential transplant patients helps to better predict those with a poor prognosis.

20 Feb 2005

Americans support appropriate use of reproductive genetic testing

A majority of Americans believes it is appropriate to use reproductive genetic testing to avoid having a child with a life-threatening disease, or to test embryos to see if they will be a good match to provide cells to help a sick sibling, a new report of the Genetics and Public Policy Center reveals.

20 Feb 2005

Prozac, Xenical and Meridia may help type 2 diabetes patients lose weight

Three commonly used drugs - Prozac, Xenical and Meridia - may help type 2 diabetes patients lose small amounts of weight, although long-term benefits are not clear, a new review of 22 studies suggests.

20 Feb 2005

Naltrexone helps alcoholics moderate their drinking

A little-known drug called naltrexone provides a “meaningful benefit” in helping alcoholics moderate their drinking, according to the latest review of evidence from 29 studies on four continents.

20 Feb 2005

Free chlamydia testing in pharmacies - questions need addressing

The British Government’s pilot scheme offering free chlamydia testing in pharmacies is to be applauded but a number of issues need to be resolved if it is to be a success, concludes an editorial in this week’s issue of The Lancet.

20 Feb 2005

Vaccine that boosts the immune response could improve the effect of conventional treatment for patients with chronic myeloid leukaemia

CML is caused by the breakage and swapping of chromosomes 9 and 22, which results in a shortened chromosome called the Philadelphia chromosome. Cells with the abnormal chromosome make a protein that encourages aberrant growth and division. Patients with CML can be treated with a drug called imatinib or interferon alfa.

20 Feb 2005

Violent imagery can have a substantial short-term effect on young children, increasing aggressive behaviour

Violent imagery in the media can have a substantial short-term effect on young children’s arousal, thoughts and emotions, increasing the likelihood of aggressive or fearful behaviour, concludes a review published in this week’s issue of The Lancet.

20 Feb 2005