Contradicting claims of disease prevention, an analysis of previous studies indicates that the antioxidant supplements beta carotene, vitamin A and vitamin E may increase the risk of death, according to a meta-analysis and review article in the Feb. 28 issue of JAMA.
A team of scientists, led by psychiatric geneticists at Washington University School of Medicine in St. Louis, has gathered the most extensive evidence to date that a gene that activates signaling pathways in the brain influences one kind of intelligence. They have confirmed a link between the gene, CHRM2, and performance IQ.
Conventional wisdom suggests that narcissists have negative self views which are masked by their grandiose self-concept. However, new research in Psychological Science shows that narcissists actually view themselves the same on the outside as on the inside.
Adcock Ingram, South Africa?s largest pharmaceutical company, is set to start manufacturing antiretrovirals (ARVs) with immediate effect, following approval by the Medicines Control Council (MCC).
The UK Alzheimer?s Research Trust has called a report forecasting a huge rise in UK dementia cases a ?clear and stark warning? that the government needs to urgently increase its funding of research into the disease.
The first study to investigate whether patients with RA who develop cancer have a decreased rate of survival, featured in the March 2007 issue of Arthritis & Rheumatism, also examined the impact of rheumatic disease on overall cancer incidence.
In 2005, PLoS Medicine published an essay by John Ioannidis, called “Why most published research findings are false,” that has been downloaded over 100,000 times. This week, PLoS Medicine revisits the essay, publishing two articles by researchers that move the debate in two new directions.
People are more likely to walk when they live in neighborhoods where there are more four-way intersections and a diverse mixture of businesses, according to a RAND Corporation study issued today.
When it comes to lowering cholesterol levels, garlic stinks, according to a new study from the Stanford University School of Medicine.
People who smoke have a greater risk of becoming infected with tuberculosis (TB) and of having that infection turn into active TB disease, according to an analysis by researchers at the University of California, Berkeley.