Articles on Brain

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Canadian Space Agency astronaut Chris Hadfield on the International Space Station in 2012. NASA

What happens to the brain in zero gravity?

New research has uncovered exactly what happens to the brain when astronauts are in space.
A new study funded by the Centre for Aging and Brain Health Innovation will investigate the use of learning technologies such as streaming media for people with dementia and those at risk. (Shutterstock)

Study hard and you might lower your chances of dementia

Higher education for seniors shows promise – for combatting social isolation, increasing well-being and delaying the onset, or slowing the progression, of dementia.
A test subject entering a brain password. Wenyao Xu, et al.

My thoughts are my password, because my brain reactions are unique

Biometrics are more secure than passwords – but when they're compromised fingerprints and retina scans are hard to reset. Brain responses to specific stimuli are as secure and, crucially, resettable.
People exposed to low levels of sunlight are more likely to have MS than those who live in warm climates. chuttersnap

What causes multiple sclerosis? What we know, don’t know and suspect

Young women are disproportionately affected by multiple sclerosis, a disease where the body attacks the brain, scrambling communication to the rest of the body. Here's what we know about the causes.
People with dementia experience a range of psychological symptoms and behaviour changes. From shutterstock.com

Why people with dementia don’t all behave the same

With an ageing population, dementia is becoming more and more prevalent. But what does dementia actually do to the brain to cause changes in behaviour?
Montreal Alouettes quarterback Johnny Manziel is tackled by the Ottawa Redblacks in Ottawa on Aug. 11, 2018. Manziel was subsequently placed under the CFL concussion protocol. (THE CANADIAN PRESS/Justin Tang)

How concussion stresses the heart to protect the brain

Recent research shows that the heart is affected when the head takes a blow, in sports-related concussion.
The fashion advice is generally to tighten ties so they’re tight but not too tight. from www.shutterstock.com

Research Check: do neckties reduce blood supply to the brain?

Wearing a tie that causes slight discomfort can reduce blood flow to the brain by 7.5%, but the reduction is unlikely to cause any physical symptoms, which generally begin at a reduction of 10%.

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