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'Meth' abuse and underage sex, smoking and drinking go hand in hand

Canadian scientists have found a link between methamphetamine abuse and underage sex, smoking and drinking - they say children and adolescents who abuse alcohol or are sexually active are more likely to take methamphetamines.

28 Oct 2008

Novel cell division mechanism discovered

A novel cell division mechanism has been discovered in a microorganism that thrives in hot acid. The finding may also result in insights into key processes in human cells, and in a better understanding of the main evolutionary lineages of life on Earth. The study is published today in the online version of the journal of the American National Academy of Sciences, PNAS.

28 Oct 2008

Stress affects older adults more than young ones

A study by researchers at the University of Southern California (USC) has found that older adults change their behaviour more than young adults when under stress and this is particularly so in situations which involve risk.

28 Oct 2008

Vitamin E and selenium do not prevent prostate cancer

A major study on whether vitamin E and selenium prevent prostate cancer has been stopped because the supplements are not effective and also because there is a suspicion of a risk.

28 Oct 2008

Warning to pregnant women - flaxseed oil 'ups' the risk of a premature birth

Canadian scientists are warning that pregnant women who consume flaxseed oil put themselves at risk of a premature delivery.

28 Oct 2008

Physicians less likely to diagnose anxiety in elderly black patients than in whites, study finds

Physicians are less likely to diagnose anxiety in elderly black patients than in white patients, according to a study published in the September issue of the Journal of the American Geriatrics Society, Reuters Health reports.

28 Oct 2008

New tuberculosis vaccine safer, more effective than BCG vaccine for HIV-positive people

A new tuberculosis vaccine could be safer and more effective than the currently available BCG vaccine, particularly for HIV-positive people, according to a study to be published in the November issue of Infection and Immunity, IANS/Times of India reports (IANS/Times of India, 10/24).

28 Oct 2008

Students at Missouri High School tested for HIV following concern of exposure to virus

Students at a suburban St. Louis high school are being tested for HIV after an HIV-positive individual told health officials that as many as 50 students might have been exposed to the virus, the AP/Google.com reports.

28 Oct 2008

Newspapers examine effect of economic downturn on prospects for candidates' health proposals

The current economic downturn and the recent enactment of a $700 billion bailout for Wall Street firms could have implications for the next president's health care proposal, as well as other plans, the Chicago Tribune reports.

28 Oct 2008

Protect yourself from flu by wearing a mask and washing your hands

In what has been termed a landmark new study, it is suggested that wearing masks and washing hands prevents the spread of flu-like symptoms.

28 Oct 2008

Link found between brain receptors and schizophrenia

Scientists at Newcastle University in the UK have revealed a link between schizophrenia and a lack of specific brain receptors.

28 Oct 2008

New drug combo stops rheumatoid arthritis in its tracks

The trial of a new drug for rheumatoid arthritis (RA) has revealed that an injection once a month could stop the disease progressing.

28 Oct 2008

A blood test for pre-eclampsia could be in the pipeline

A condition in pregnancy which costs the lives of thousands of babies each year may soon be identified by a simple blood test long before symptoms develop.

28 Oct 2008

How drug companies covertly promote off-label drug use

Off-label prescription of a drug is generally legal, but promotion of off-label uses by a drug manufacturer is illegal. In an article in this week's PLoS Medicine, two physician researchers describe the techniques that drug companies use to covertly promote off-label use, even when such promotion is illegal.

28 Oct 2008

Red makes men feel more amorous toward women

A groundbreaking study by two University of Rochester psychologists to be published online Oct. 28 by the Journal of Personality and Social Psychology adds color - literally and figuratively - to the age-old question of what attracts men to women.

28 Oct 2008

Scientists discover a catalytic antibody that degrades a known appetite stimulant

The antibody works against the gastric hormone ghrelin (pronounced "grell-in"), which has been linked to weight gain and fat storage through its metabolic actions. These findings point towards a potentially novel treatment for obesity that would interfere directly with the some of the biological mechanisms determining weight.

28 Oct 2008

Expensive new diabetes drugs don't necessarily produce better outcomes

The annual cost of prescription diabetes drugs nearly doubled to $12.5 billion between 2001 and 2007, according to a study by researchers at the Stanford University School of Medicine and the University of Chicago. The researchers say the findings raise questions about whether the higher cost actually translates into improved care and better outcomes.

28 Oct 2008

Cholesterol-lowering statins associated with lower risk of death from pneumonia

Individuals who take cholesterol-lowering statins before being hospitalized with pneumonia appear less likely to die within 90 days afterward, according to a report in the October 27 issue of Archives of Internal Medicine.

28 Oct 2008

Breastfeeding and reduced risk of childhood obesity - researchers look for behavioral link

Breastfeeding has a number of positive health benefits for baby: it can prevent ear infections and allergies, and lowers the risk of developing respiratory problems. It can also help prevent against obesity later in life, but the reason for this still isn't known.

28 Oct 2008

Sedative propofol could be fatal

Patients treated for their prolonged seizures with the sedative propofol may be at high risk for complications and even death. New research presented at CHEST 2008, the 74th annual international scientific assembly of the American College of Chest Physicians (ACCP), shows that the use of propofol as an antiepileptic agent in patients with refractory status epilepticus (RSE), prolonged seizures that do not respond to initial treatment, was associated with significant mortality and morbidity.

28 Oct 2008