brain damage

Exercise may prevent strokes in older people--study

Seniors who engage in moderate to intense exercise daily could be cutting their risk of ‘silent strokes,’ that are the first sign of cerebrovascular disease, by 40 percent, new study findings report.

“These ‘silent strokes’ are more significant than the name implies, because they have been associated with an increased risk of falls and impaired mobility, memory problems and even dementia, as well as stroke,” study author Joshua Z. Willey from the Columbia University in New York, said.

Early cannabis use tied to brain damage--study

A new research claims that children who start smoking cannabis before the age of 15 struggle with mental exercises, performing fairly low in tests than those who take the habit later in life.

The study involving 100 chronic cannabis users found that those who started pot smoking early in life struggled with a range of neuropsychological tasks like attention span, impulse control, and ‘executive function’ - the ability to plan and carry out tasks.

In contrast, those who started later did not face such difficulties.

Brain damaged woman helps unravel the fear factor

In what could be termed as a ground breaking research, scientists have identified amygdala, a tiny almond-shaped structure located deep in the brain that evokes fear in people, an emotion that helps them steer clear of danger.

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According to researchers, the discovery may give some insight into the working of the mind of those given to excessive fears and pave the way to develop new therapies and medications to treat conditions like extreme anxiety and post-traumatic stress disorder (PTSD).

Studies have established that animals with damaged or destroyed amygdala respond fearlessly to potentially threatening stimuli.

Now, researchers have found that human beings with a destroyed function of amygdala also demonstrate a similar trend in behavior and are fearless.

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