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Ontario Health Study begins whole genome sequencing to enrich data holdings

Apr 5, 2021 // Study Updates

The Ontario Health Study is launching an initiative to sequence the whole genomes of more than 41,000 participants from across Ontario. Samples from more than 9,600 Study participants have already been genotyped, using the UKBIObank Affymetrix arrays. Whole genome sequencing, which measures an individual’s entire genome, will provide additional information that will complement the existing

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The Ontario Health Study (OHS): a resource for cancer etiology and early marker studies

Mar 26, 2021 // Study Updates

  In this prospective cohort study of 225,620 participants, 10,436 incident cancers were ascertained over an average 8-yr follow-up, including 1,645 breast, 907 lung, 840 colorectal, 509 bladder, 227 pancreatic, and 181 ovarian cancer cases. The proportion of cancers diagnosed at stage III/IV was highest for pancreatic (69%) and oral (69%), followed by lung (66%),

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The Effect of COVID-19 on Cancer Patients and Survivors

Mar 26, 2021 // Study Updates

  Cancer patients and survivors perceive a high risk of being harmed by COVID-19 and were more likely to adopt preventive measures; they were less likely to contract the virus, perhaps as a result. The pandemic has presented the healthcare delivery system with unprecedented challenges, profoundly affecting cancer patients, and has catalyzed the rapid adoption

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What makes our blood age well?

Mar 17, 2021 // Study Updates

Our blood gets older, just like every other part of our body. But why is it that some people’s blood seem to age better than others? Questionnaire data and blood samples from some OHS participants are being used to look for answers as to what characterizes ‘healthy blood.’ Toronto PhD candidate Elyssa Bader created this

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