Scientists in Canada are developing a new forensic test that combines spectroscopy and statistical analysis to determine gender and ethnicity from a single thread of hair.
It is well known that stress can influence health. But now, new research suggests stressful life events may reduce semen quality, which may have implications for male fertility.
A controversial study has reported that participants who consumed diet drinks lost more weight on average than a control group who drank mostly water. Could the results be biased?
People with compulsion disorders seem to have decision patterns that favor habits rather than goals and fewer brain cells in regions that keep track of goals and rewards.
Researchers from Sweden and Switzerland report promising results from a compound that could inhibit coronaviruses - the viral family to which MERS and SARS belong.
A new study, led by researchers from the UK's University of Leicester, gives new insight into how the spinal condition scoliosis affected Richard III's appearance and mobility.
An international group of 53 scientists have put their opposition to WHO's rumored crackdown on e-cigarettes in writing, claiming that these products could save millions of lives.
Experts assessing the the latest strain of avian flu conclude that there is no current risk of a pandemic, but they stress the importance of monitoring for mutations.
Non-invasive lasers are set to transform dental treatment as a study showing how they can coax stem cells to regenerate tooth tissue lays the foundation for a host of applications.
Researchers from the Columbia University Medical Center have discovered mutations in a gene called SETD1A, which they say could play a role in the development of schizophrenia.
Diffuse optical tomography could be a helpful alternative to MRI and PET. Patients can move during scanning, it is radiation-free, and does not disrupt electrical implants.
Research has suggested friends can influence whether we smoke, drink and exercise. Now, a new study says high school friends may influence a woman's decision to have a child.
Cynical people normally distrust others, believing they are motivated by selfish interests. But now, researchers have linked high levels of cynical distrust with dementia risk.
An international research team has found that, unlike other major global health risks - such as smoking - obesity rates have significantly increased over the past 30 years.
An analysis of mental illness reviews, covering over 1.7 million individuals, finds the conditions can reduce life expectancy by up to 20 years - on par with heavy smoking.
In 40% of all infertile couples, the male partner is the main cause or contributing cause of infertility. But is infertility primarily seen as a woman's issue? We investigate.
Male babies grow faster and larger in the womb than females, but why? And how does it affect their chances of survival? A new study finds a genetic origin for this disparity.
Scientists in Australia suggest learning to walk upright may have helped humans develop a more complex brain than other species by freeing up the cortex from routine tasks.
A new study assesses the impact of moderate exercise on older adults at high risk of walking disability, and finds that it may reduce such risk by 28% and increase mobility by 18%.
Researchers have observed differences in cerebral blood flow during puberty between boys and girls, suggesting there are sex-specific susceptibilities to anxiety and schizophrenia.