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| Blood pressure medications impact brain function Posted: 02 Mar 2022 03:59 PM PST Researchers found that blood pressure medications have an unanticipated effect on the brain. |
| Vision scientists discover new angle on path of light through photoreceptors Posted: 02 Mar 2022 12:03 PM PST Researchers have discovered that power-producing organelles in the eye's photoreceptor cells, called mitochondria, function as microlenses that help channel light to these cells' outer segments where it's converted into nerve signals. The discovery in ground squirrels provides a more precise picture of the retina's optical properties and could help detect eye disease earlier. The findings also shed light on the evolution of vision. |
| Exposure to great outdoors boosted mental health during pandemic Posted: 02 Mar 2022 12:03 PM PST New research has found that people who spent more time in green spaces reported less anxiety and depression during the first year of the pandemic. Merely having abundant green space nearby, as measured by satellite images, was associated with lower depression scores. |
| Early menopause may raise risk of dementia later in life Posted: 02 Mar 2022 10:13 AM PST Compared with women who enter menopause around age 50, women who experience very early menopause (before the age of 40) were found to be 35% more likely to develop some type of dementia later in life, according to a large study of women living in the United Kingdom. Women who entered menopause before age 45 were also 1.3 times more likely to develop dementia before the age of 65. In addition, women who entered menopause later, at age 52 or older, had dementia risk similar to women who entered menopause at the average age for menopause onset which is the age of 50 to 51 years. |
| Cerebrospinal fluid may be able to identify aggressive brain tumors in children Posted: 02 Mar 2022 09:51 AM PST It may be possible to identify the presence of an aggressive brain tumor in children by studying their cerebrospinal fluid, according to new research. |
| Did COVID-19 make tinnitus, 'ringing' in the ears, worse? Posted: 02 Mar 2022 06:27 AM PST Many people impacted by COVID-19 experienced changes in their sense of smell, taste, hearing, balance and in some cases, tinnitus, 'ringing' in the ears. Among the various causes of tinnitus is stress. What's unclear, however, is whether the psychological impacts of the pandemic such as stress actually worsened tinnitus. Researchers assessed whether the severity of tinnitus, as measured using ratings of tinnitus loudness, annoyance, and effect on life, was influenced by the lockdown related to pandemic. Results do not support the idea that the pandemic led to a worsening of tinnitus and the mean scores did not differ significantly for the groups seen prior to the pandemic and during lockdown. |
| Posted: 01 Mar 2022 04:24 PM PST Results from a new clinical trial demonstrate that an eight-week mindfulness-based therapy decreased opioid use and misuse while reducing chronic pain symptoms, with effects lasting as long as nine months. |
| Does nerve damage contribute to 'long-COVID' symptoms? Posted: 01 Mar 2022 01:20 PM PST Most post-COVID nerve damage appears to be caused by infection-triggered immune dysfunction -- not by lingering infection -- suggesting patients might benefit from currently available immunotherapies. |
| Disentangling interactions across brain areas Posted: 01 Mar 2022 10:12 AM PST Researchers are simultaneously recording populations of neurons across brain areas in the visual system and utilizing novel statistical methods to observe neural activity patterns being conveyed. |
| Visual facilitation around hands: Hand proximity attention and handedness Posted: 01 Mar 2022 10:11 AM PST Our visual processing is facilitated by spaces near the hand in a process known as hand proximity attention. Using a visual phenomenon called the flash-lag effect, researchers showed that proprioceptive information of a hand contributed to hand proximity attention. |
| Milk may exacerbate MS symptoms Posted: 01 Mar 2022 10:11 AM PST Multiple sclerosis sufferers often complain of more severe disease symptoms after consuming dairy products. Researchers have now found a possible cause for this. According to the study, a protein in cow's milk can trigger inflammation that targets the 'insulating layer' around nerve cells. The study was able to demonstrate this link in mice, but also found evidence of a similar mechanism in humans. The researchers therefore recommend that certain groups of sufferers avoid dairy products. |
| Adaptive HEALEY ALS Platform Trial hopes to bring new treatments to patients faster Posted: 28 Feb 2022 12:06 PM PST A new article describes the approach, structure, and launch of the HEALEY ALS Platform Trial- the first platform trial for amyotrophic lateral sclerosis (ALS) designed to accelerate the development of effective and breakthrough treatments for people with the illness. |
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