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A Canadian peer-reviewed journal of population health and health services research
March 2019
Tinnitus in Canada
by Pamela L. Ramage-Morin, Rex Banks, Dany Pineault and Maha Atrach
Tinnitus is the perception of noise without an external, sound-producing source, also described as phantom noise. It is generally classified as either subjective or objective. In at least 95% of cases, tinnitus is subjective—the head or ear noises are perceivable only to the individual. In contrast, objective tinnitus occurs when the perception of sounds is generated by sources within the body that are transmitted to the ear and can sometimes be heard by an examiner during auscultation (i.e., listening to sounds from the heart, lungs and other organs). The nature of the perceived noise varies from person to person but has been described as ringing, buzzing, roaring, grinding or like the noise produced by crickets or cicadas, the wind, or releasing steam. Pulsatile tinnitus is rhythmic, synchronous with the heartbeat.
Abstract Full article PDF version The Daily release
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Effects of replacing sitting time with physical activity on lung function: An analysis of the Canadian Longitudinal Study on Aging
by Shilpa Dogra, Joshua Good, Paul A. Gardiner, Jennifer L. Copeland, Michael K. Stickland, David Rudoler, and Matthew P. Buman
Lung function declines steadily with increasing age. It has been suggested that smoking, environmental and occupational factors, nutrition, comorbidity, and physical activity may affect this age-associated decline. Physical activity, in particular, shows promise as a modifiable risk factor, since longitudinal evidence suggests that it may reduce the decline in lung function associated with smoking. Cross-sectional studies have also identified a positive association between physical activity levels and lung function.
Abstract Full article PDF version The Daily release
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