Vishakha Aher

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Astrocytes (in red) are the most abundant cell in the brain and help support neurons (in green) by recycling old cellular byproducts and…

Astrocytes (in red) are the most abundant cell in the brain and help support neurons (in green) by recycling old cellular byproducts and regulating a healthy environment for neuronal function. Unlike other organs of the body where an injury results in a fibrous scar, the brain instead forms an astrocyte scar to promote neuron survival.<p><i>Image by Dr. Shelley Jacobs, McMaster University.</i>

What Blood Shows Scientists About Suicide Risk

A new study of bipolar patients brings researchers closer to creating a blood test for suicidal thoughts.<p>Suicide was responsible for more deaths than motor vehicle crashes were in 2009, but it's not always easy for doctors to tell when someone is at risk. A new study from the Indiana University …

Cocaine 'rapidly changes the brain'

<b>Taking cocaine can change the structure of the brain within hours in what could be the first steps of drug addiction, according to US researchers.</b><p>Animal tests, reported in the journal Nature Neuroscience, showed new structures linked to learning and memory began to grow soon after the drug was …

Welsh patients 'denied newer cancer drugs'

<b>Campaigners say there is a significant divide between England and Wales in access to new cancer medicines.</b><p>The Rarer Cancers Foundation (RCF) is claiming patients in Wales are four times less likely to receive new treatment than those in England.<p>Health ministers in England set up a special fund …

Ovarian cancer screening 'has potential'

<b>A new way of screening for ovarian cancer is showing "potential", according to researchers in the US.</b><p>Tumours in the ovaries are hard to detect in the earliest stages meaning it can be too late to treat them effectively by the time they are found.<p>A trial of 4,051 women, reported in the journal …