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Lower survival rates of blacks with lung cancer may be explained by access to care

New research suggests that the lower survival rates of blacks with lung cancer may be explained by access to care. The study, by Wake Forest University Baptist Medical Center researchers and colleagues is reported in the January issue of the Journal of Clinical Oncology.

5 Feb 2006

Key genes identified that enable tuberculosis infection to spread

Scientists in India, led by a Howard Hughes Medical Institute (HHMI) international research scholar, have identified five key genes that enable Mycobacterium tuberculosis to acquire the iron it needs to sustain growth and promote infection

5 Feb 2006

Babies of obese mothers have higher risk of some birth defects

Compared to normal-weight women, overweight and obese women suffer more pregnancy complications and their babies have more medical problems at birth, according to a position paper of the Public Affairs Committee of the Teratology Society.

5 Feb 2006

Scientists have determined the detailed structure of an essential piece of the telomerase enzyme

Scientists have determined the detailed structure of an essential piece of the telomerase enzyme, an important contributor to the vast majority of human cancers. Understanding the physical shape of the protein has led to a better understanding of how it acts to immortalize cells - and should help scientists design broadly effective cancer drugs.

5 Feb 2006

Researchers discover lowered sensitivity to smell when lying down

Before giving flowers or scattering rose petals on Valentine's Day, make sure your significant other has already gotten out of bed. In a study published recently in the journal Chemical Senses, researchers at the Montreal Neurological Institute (MNI) at McGill University discovered that sensitivity to rose odour is greater in subjects that are sitting than in those lying down.

2 Feb 2006

Researchers show how estrogen turns genes on and off during cancer progression

Ohio - A new study suggests that the hormone estrogen works in partnership with other proteins to activate or suppress gene activity in breast cancer cells.

2 Feb 2006

Women pregnant with girls experience more severe asthma symptoms

Women with asthma who are carrying a female fetus are more likely to experience worse asthma symptoms than asthmatic women carrying a male fetus, researchers at Yale School of Medicine report in the February issue of American Journal of Epidemiology.

2 Feb 2006

Study looks at placebo effect

The debate about the existence of a placebo effect has heated up over the past year as more and more lab experiments are detecting immediate physiological responses to placebos.

2 Feb 2006

60 new genes controlled by regulatory sequences

Researchers worldwide are seeking to define ancient sections of our genetic code that may soon be as important to medical science as genes.

2 Feb 2006

Why anti-obesity cortisol reducing supplements do not work

Researchers at Oregon Health & Science University have revealed that the cortisol/obesity connection, touted by many weight-loss supplement marketers, may be even more tenuous than first thought.

2 Feb 2006

HMRI researcher lights a path to understanding brain diseases

Neurologist Mike Harrington of Pasadena, California's Huntington Medical Research Institutes argues that soon we may be able to detect brain disease before symptoms even begin. The secret is in the cerebrospinal fluid, the clear liquid that cushions our brain and spinal cord.

2 Feb 2006

Women with low estrogen levels more sensitive to pain

Several recent studies have found that women are more sensitive to pain during periods of low estrogen.

2 Feb 2006

Remifemin black cohosh extract shown to reduce menopausal symptoms

The controversy over Hormone Replacement Therapy (HRT) rages on. Over 40 million American women are within menopause age, and in five years the numbers will increase to over 60 million.

2 Feb 2006

Share of pharmaceutical spending in total healthcare expenditure remains high across most EU countries

Most EU member states have publicly funded healthcare systems and the proportion of pharmaceutical expenditure, as a portion of GDP remains high, particularly in countries such as Italy, Portugal, France, Spain and Greece.

2 Feb 2006

Pregnancy does not provide protection against depression

Pregnancy has historically been described as a time of emotional well-being, providing "protection" against psychiatric disorder, but a new study says the hormonal changes which occur during pregnancy do not protect women from depression, and those taking antidepressants may need to continue despite concerns about fetal damage.

2 Feb 2006

Controlling neglected diseases will boost fight against HIV, TB and Malaria

Achieving success in the global fight against the "big three" diseases - HIV/AIDS, tuberculosis and malaria, which together account for 5.6 million deaths a year - may well require a concurrent attack on the world’s most neglected tropical diseases, says a team of researchers in the international open access journal PLoS Medicine.

2 Feb 2006

$Bones from blood: scientists aim to break new ground on fractures$

Bones from blood: scientists aim to break new ground on fractures

Scientists at the University of York have launched a new research project which aims to develop ways of making bones from blood.

2 Feb 2006

Preimplantation cell number may affect birthweight

Dr Lieberman et al. at the Department of Obstetrics, Gynaecology and Reproductive Biology at the Brigham and Women's Hospital, Harvard Medical School in Boston, USA have measured the quality of human embryos by counting and assessing the properties of their individual cells.

2 Feb 2006

Innovative approach to cartilage repair

Leeds bioengineers have developed an innovative technique for cartilage repair combining the self-healing powers of the body with stem cell science to help young people avoid debilitating knee problems and give hope to arthritis sufferers.

2 Feb 2006