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CMAJ December 11, 2012 184 (18) 1967;
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Aging successfully

We all know that living well leads to a better life, but the Whitehall II study reveals how good it can be. This high-quality cohort study shows that each of the following behaviours adds in a measurable and independent way to survival free from major health problems: regular physical activity, daily fruit and vegetable consumption, not smoking and consuming alcohol moderately. Practitioners now have good evidence to counsel their patients on how to live longer. See Research, page 1985

Figure
Image courtesy of © 2012 Thinkstock

Most of us would like to live longer if we can be healthy enough to enjoy the extra time. The four behaviours mentioned above may increase the odds of living in good health beyond 60 years of age. The future may yield additional insights, as genomic, epigenomic, proteomic and metabolomic studies are just beginning to assess components of healthy aging. See Commentary, page 1973

Low vitamin D may not be so bad

Figure
Image courtesy of © 2012 Thinkstock

Adults whose parents lived into very old age have lower blood levels of vitamin D than comparable adults. This analysis comes from the Leiden Longevity Study, which compared the offspring of nonagenarians to their own partners. The authors suggest that this finding casts doubt on the possibility that the previously observed association between low blood levels of vitamin D and increased mortality is causal. See Research, page E963

ER wait times and mental illness

Patients visiting the emergency department for reasons related to mental illness waited less time to be seen by a physician than other patients when the emergency department was crowded and only slightly longer than other patients when it was not crowded. This observational study analyzed population-based health services data from Ontario for over 8 million visits to 155 emergency departments between 2007 and 2009. The results allay concerns that emergency departments have not been triaging patients with mental illness appropriately, say the authors. See Research, page E969

Mother–infant ICU admissions

Mother–infant pairs in which both were admitted to intensive care units (ICUs) following delivery had the highest prevalence of separation due to interfacility transfer. In this study of routinely collected data, these mothers and babies also had the highest mortality compared with groups in which only the mother or the baby was admitted to an ICU. Coordination and communication of care plans could lessen the burden and frequency of separation of mother and newborn seen with concurrent ICU admissions, suggest the authors. See Research, page E956

Boost RCTs in Canada

Randomized controlled trials (RCTs) in Canada receive a disproportionately low level of funding compared with other forms of research. According to Yusuf and Cairns, RCTs are important to the health of Canadians and the health care system. They argue that the Canadian Institutes of Health Research should increase funding for RCTs from 3.3% to 10% within 5 years. There also needs to be an appropriate infrastructure, an increase in partnerships, and strategies to overcome regulatory and institutional barriers to performing RCTs. See Analysis, page 1997

Minimizing anesthetic injection pain

Figure
Image supplied by author

Strazer and Lalonde outline 5 practical tips for reducing the likelihood of pain for patients during injection of local anesthetic. These include choice of needle, temperature of the solution, use of a buffer and injection techniques. See Practice, page 2016

Holiday reading

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Image courtesy of © 2012 Thinkstock

Humorous missives on the Mayan doomsday effect, an alarmingly green patient, how fake doctors use technology and the nebulous world of facts; plus reflections on the resuscitation of a medical marriage, a gift that transcends language and the giving of gratitude. CMAJ joyfully shares these treats this holiday season. See Holiday Reading, page 2021

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Canadian Medical Association Journal: 184 (18)
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Vol. 184, Issue 18
11 Dec 2012
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  • Influence of individual and combined healthy behaviours on successful aging
  • The Mayan Doomsday’s effect on survival outcomes in clinical trials
  • Minimizing injection pain in local anesthesia
  • The perilous state of independent randomized clinical trials and related applied research in Canada
  • Successful aging: Is there hope?
  • Maternal and neonatal separation and mortality associated with concurrent admissions to intensive care units
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  • Levels of 25-hydroxyvitamin D in familial longevity: the Leiden Longevity Study
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