Science News

Our brains evolved to help us survive in an age where food and rest were hard to come by. To help you stay fit and healthy in the modern world, here's how to game your brain

A de novo gene mutation that encodes a brain protein in a child with autism has been placed into the brains of mice. These mice then showed severe alterations of specific behaviors that closely resemble those seen in hum...

Having a bigger waistline and a high body mass index (BMI) in your 60s may be linked with greater signs of brain aging years later, according to a new study. The study suggests that these factors may accelerate brain agi...

Physicians in the United States may prescribe opioids more frequently to patients during hospitalization and at discharge when compared to their physician peers in other countries, according to a recently published study...

Having too much caffeine during pregnancy may impair baby's liver development and increase the risk of liver disease in adulthood, according to a new study. Pregnant rats given caffeine had offspring with lower birth wei...

Rock core samples from a period of warming millions of years ago indicate soils contributed to a rapid rise in atmospheric greenhouse gas and suggest modern climate models may overestimate Earth's ability to mitigate fut...

A new study provides evidence that when circulating anti-inflammatory white blood cells known as monocytes fail to properly differentiate into macrophages -- the cells that engulf and digest cellular debris, bacteria and...

Biomedical engineers are helping develop a prosthetic arm for amputees that can move with the person's thoughts and feel the sensation of touch via an array of electrodes implanted in the muscles of the patient.

Biomedical engineers have discovered a method to track down and kill escaping cancer cells during tumor removal surgeries. The method, which uses the body's own defenses in the form of modified lipid nanoparticles adhere...

More than half of the top-grossing movies in Ontario in the past 16 years featured smoking, according to researchers with the Ontario Tobacco Research Unit -- and most of these films were rated as acceptable for youth.

A new study finds that some people considered to be a normal weight could unknowingly be at high risk for obesity-related health issues.

Investigators have revealed the cells of origin for specific subtypes of medulloblastoma, the most common malignant pediatric brain tumor. The work also has implications for how medulloblastoma is classified, which may e...

Meningeal lymphatic vessels at the skull base are found to be the major route for brain clearance. Reporting to see their integrity is impaired with aging, the latest findings provide further insights into the role of im...

Use of medical imaging during pregnancy increased significantly in the United States, a new study has found, with nearly a four-fold rise over the last two decades in the number of women undergoing computed tomography (C...

Medical researchers have presented evidence for a shift to dolutegravir-containing antiretroviral treatment in South Africa.

Researchers used a phantom to show that magnetic eyelashes worn during MRI can cause substantial artifact and that detachment of the eyelashes from the phantom can occur.

Scientists have published results of a study that pinpointed a long noncoding RNA molecule which influences a key receptor involved in HIV infection and progression of the disease. This newly-identified mechanism could o...

House sparrows infected with West Nile virus (WNV) that live in light polluted conditions remain infectious for two days longer than those who do not, increasing the potential for a WNV outbreak by about 41%.

Visits to the dentist drop significantly after adults turn 80, finds a new study.

A new study identifies a link between proximity to hydraulic fracking activities and mental health issues during pregnancy.

Introducing plant-based foods to a diet is a common-sense approach to healthy eating, but many people don't like the taste of vegetables, bitter greens, in particular. But give that broccoli a chance. Doing so won't just...

It's possible that a lock of hair could one day aid in the diagnosis of depression and in efforts to monitor the effects of treatment, said the author of a new study examining cortisol levels in the hair of teens.