Articles on Parkinson's disease

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Low blood pressure may cause problems for many older people. Satyrenko/Shutterstock.com

Low blood pressure could be a culprit in dementia, studies suggest

Researchers are looking for ways to determine who's most at risk for dementia and also ways to detect it early. A scientist who has studied low blood pressure makes a case for a link between the two.
Smartphones make great citizen research tools. We take them everywhere and they have the functions (GPS, accelerometers, camera, audio, video) to sense, share and mobilize data between consenting citizens. (Shutterstock)

How your smartphone can encourage active living

We blame electronic devices for our increasingly sedentary behaviours. So why not harness them to study our movement patterns and tackle urgent health crises?
Ted Turner and former wife Jane Fonda, picture in 1991, when the high-profile couple were dating. John Barrett/PHOTOlink/ MediaPunch /IPX/AP

Ted Turner has Lewy body dementia, but what is that?

Media pioneer Ted Turner's announcement that he has Lewy body dementia brings the illness into the spotlight, which is rare. A neurologist explains why it's hard to even get a correct diagnosis.
The experimental technique of ‘deep brain stimulation’ has improved the lives of patients with treatment-resistant depression, despite the ‘failure’ of a large clinical trial. (Shutterstock)

Could an experimental brain surgery make you happier?

For some patients, drilling a hole in the skull and inserting an electrode into the 'sadness centre' of the brain offers relief from debilitating and otherwise treatment-resistant depression.

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