Medical News
Brain protein mutation from child with autism causes autism-like behavioral change in mice
Science Daily - 24 Jul 2019 00:22
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...
Extra weight in 60s may be linked to brain thinning years later
Science Daily - 24 Jul 2019 22:11
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...
Mouse, not just tick: New genome heralds change in Lyme disease fight
Science Daily - 24 Jul 2019 22:11
As Lyme disease increases, researchers have taken a significant step toward finding new ways to prevent its transmission. The experts, who include a pioneer in Lyme disease discovery, have sequenced the genome of the ani...
Too much caffeine during pregnancy may damage baby's liver
Science Daily - 24 Jul 2019 21:59
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...
Clues on how soils may respond to climate change found
Science Daily - 24 Jul 2019 21:59
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...
Disrupting immune cell behavior may contribute to heart disease and failure, study shows
Science Daily - 24 Jul 2019 20:41
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...
Motorized prosthetic arm can sense touch, move with your thoughts
Science Daily - 24 Jul 2019 20:41
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.
Cellular soldiers designed to kill cancer cells that get loose during surgery
Science Daily - 24 Jul 2019 20:41
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...
Some Pacific salmon populations are especially at risk from climate change
Science Daily - 24 Jul 2019 20:41
Four population groups of Pacific salmon in California, Oregon, and Idaho are especially vulnerable to climate change, according to a new study.
New Clues to Alzheimer's Cause Found in How Fluid Leaves the Brain
Discover - 24 Jul 2019 20:31
(Credit: SubstanceTproductions/Shutterstock) Some five ounces of clear fluid fills the spaces between your brain and your skull. This brain juice, or cerebrospinal fluid, cushions against injury, supplies nutrients and c...
Waist size is a forgotten factor in defining obesity
Science Daily - 24 Jul 2019 19:36
A new study finds that some people considered to be a normal weight could unknowingly be at high risk for obesity-related health issues.
To understand a childhood brain tumor, researchers turn to single-cell analysis
Science Daily - 24 Jul 2019 19:36
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...
Newly identified meningeal lymphatic vessels answers key questions about brain clearance
Science Daily - 24 Jul 2019 19:36
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...
Worrisome increase in some medical scans during pregnancy
Science Daily - 24 Jul 2019 18:57
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...
ADVANCE study provides evidence for shift to dolutegravir-containing ART
Science Daily - 24 Jul 2019 18:57
Medical researchers have presented evidence for a shift to dolutegravir-containing antiretroviral treatment in South Africa.
Magnetic eyelashes: A new source of MRI artifacts
Science Daily - 24 Jul 2019 18:02
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 pinpoint new mechanism that impacts HIV infection
Science Daily - 24 Jul 2019 17:27
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...
Light pollution may be increasing West Nile virus spillover from wild birds
Science Daily - 24 Jul 2019 17:11
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 decline in old age, especially among minorities
Science Daily - 24 Jul 2019 17:11
Visits to the dentist drop significantly after adults turn 80, finds a new study.
Fracking activities may contribute to anxiety and depression during pregnancy
Science Daily - 24 Jul 2019 17:11
A new study identifies a link between proximity to hydraulic fracking activities and mental health issues during pregnancy.
With bitter foods, what you eat determines what you like to eat
Science Daily - 24 Jul 2019 17:11
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...
Hair could be the key to better mental-illness diagnosis in teens
Science Daily - 24 Jul 2019 17:11
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.