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  • July 29, 2011
  • 12:35 PM

Breakfast Skipping and Change in Body Mass Index in Young Children

by Mr Epidemiology in Mr Epidemiology

As mothers everywhere know, breakfast is the most important meal of the day. However, as scientists, we want empirical evidence. Breakfast has been associated with several health outcomes, ranging from increased academic performance, to improved quality of life, as well as enhanced dietary profiles. While many cross-sectional studies have found that those who skip breakfast are more [...]... Read more »

  • July 29, 2011
  • 09:00 AM

Prescribing Gene Flow

by Kevin Zelnio in EvoEcoLab

When ecosystems are sick, who prescribes the cure? Its not as straight-forward as it is in medicine. A doctor diagnoses a problem and prescribes some medication or treatments to ease the pain or kill infectious agents. Sometimes we battle the insurance agents over the necessity of treatments. This is simplified of course. In applied ecology, [...]

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Sexton JP, Strauss SY, & Rice KJ. (2011) Gene flow increases fitness at the warm edge of a species' range. Proceedings of the National Academy of Sciences of the United States of America, 108(28), 11704-9. PMID: 21709253  

  • July 25, 2011
  • 02:04 PM

Urban agriculture - where's the evidence?

by Megan Carter in Verdant Nation

One potential way to combat the obesity epidemic and environmental degradation all in the same go is urban agriculture. I’ve been thinking a lot about this lately, wondering if it is feasible in climates like New York City and Toronto, if it can actually generate enough food to continuously feed a city, and of course, also improve diet quality at a population-level.Urban agriculture refers to agricultural practices (usually intensive) within and around cities that compete for resources such as........ Read more »

Pearson, L., Pearson, L., & Pearson, C. (2010) Sustainable urban agriculture: stocktake and opportunities. International Journal of Agricultural Sustainability, 8(1), 7-19. DOI: 10.3763/ijas.2009.0468  

  • July 25, 2011
  • 02:48 AM

Social Media Use By US Hospitals

by Dr Shock in Dr Shock MD PhD

Buffer From a structured review of websites of 1800 US hospitals focusing on their Facebook, Twitter and Youtube accounts: 21% used social media More likely to be large, urban hospitals run by nonprofit, nongovernment organisations More likely to participate in graduate medical education Used social media to target a general audience (97%) Provide content about [...]

No related posts.... Read more »

Thaker SI, Nowacki AS, Mehta NB, & Edwards AR. (2011) How U.S. hospitals use social media. Annals of internal medicine, 154(10), 707-8. PMID: 21576547  

  • July 18, 2011
  • 11:00 AM

Better Know An Epidemiologist: Alexander Langmuir

by Mr Epidemiology in Mr Epidemiology

Better Know An Epidemiologist is an ongoing feature where Mr Epidemiology pays tribute to those who have set the stage for his generation of epidemiologists. All of the articles are listed here. Epidemiology is a relatively new field. While John Snow made his breakthrough in the 1850s, even as recently as World War 2, there [...]... Read more »

No authors listed. (1996) A tribute to Alexander D. Langmuir. American journal of epidemiology, 144(8 Suppl). PMID: 8928703  

Brachman PS. (1996) Alexander Duncan Langmuir. American journal of epidemiology, 144(8 Suppl). PMID: 8857846  

  • July 15, 2011
  • 11:00 AM

The Reality and Utility of Bear Paternity Tests

by Kevin Zelnio in EvoEcoLab

It was summer of 2008 and the rhetoric was getting as hot as a globally warmed hood on a ’91 Chevy Camaro RS (my 2nd car, with t-tops of course). While you might fry an egg on the hood, you could broil a few cornish hens on the hot tin roof that encapsulated the election [...]

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  • July 12, 2011
  • 01:42 PM

Drive a lot? Housing density may not be to blame

by Tim De Chant in Per Square Mile

Pushing high density living may seem like a good way to get people out of their cars—saving them money, curbing emissions, and reducing oil dependence—but densification may not be a silver bullet, according to one recent study. The authors dug into the National Household Transportation Survey to examine per household vehicle ownership rates, vehicle miles [...]... Read more »

  • July 12, 2011
  • 10:27 AM

New Exercise Guidelines Add Neuromotor Domain

by William Yates, M.D. in Brain Posts

Article first published as New Exercise Guidelines Are Here on Technorati.The American College of Sports Medicine (ACSM) recently published an update on their recommendations for exercise.  These guidelines follow an extensive review of the research literature and update guidelines that were previously published in 1998.The guidelines note four specific areas of exercise: cardiorespiratory fitness and reduction in risk of cardiovascular and metabolic disease, maintenance of muscul........ Read more »

  • July 9, 2011
  • 10:11 PM

Teachable Moments in the Life of a Cigarette Smoker

by Dirk Hanson in Addiction Inbox

Child surgery makes smoking parents more likely to try quitting.

Here’s a strange one: Doctors at Mayo Clinic wanted to find out whether children undergoing surgery had any effect on the smoking behavior of their parents. And it did—but the effect appears to be short-lived.

The Mayo researchers began from the already well-tested proposition that smokers who have surgery are more likely to quit smoking. In fact, they quit at twice the rate of smokers who haven’t had surgery. Not hard to........ Read more »

  • July 8, 2011
  • 01:18 PM

Blame the environment for your bad habits

by sciencebase in Sciencebase Science Blog

Live fast, die young. You’re a long time gone. Sleep when you’re dead. The hedonists mantras. Lifestyle choices whether in terms of food consumption, alcohol and drugs or sexual activity are down to the individual. Nannying by governments, who have their own mantras: Smoking Kills, Know your limits, Get your five-a-day, Use protection, etc, all [...]Blame the environment for your bad habits is a post from: Sciencebase Science Blog
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Claudio Ricciardi. (2011) Induced harmful lifestyles and healthy choices. Int. J. Environ. Health, 5(3), 262-273. info:/

  • July 7, 2011
  • 01:01 AM

Forests and Water, part 2: Razing Arizona...

by Matthew Garcia in Hydro-Logic

As I post this, the 2011 Wallow Fire in the the Apache National Forest in eastern Arizona and western New Mexico (pictured in part 1) has become the largest wildfire in Arizona's history (~540,000 acres) and is finally under a significant level of containment. The Wallow Fire was started, it seems, by people; it was fueled, however, by an ongoing southwestern drought and nearly a century of forest and wildlands mismanagement that have left massive quantities of vulnerable tinder in place. ........ Read more »

  • July 6, 2011
  • 10:00 AM

Study Confirms Importance of Red Knot Migratory Stopovers

by John Beetham in A DC Birding Blog

As many readers know, Red Knots (Calidris canutus rufa) are in serious trouble.* Though they were once an abundant shorebird during spring migration on the Atlantic Coast, their population crashed in the 1990s. This winter, Red Knots suffered another setback, when a third of their current known population disappeared from the wintering grounds for reasons that are not entirely clear. The major crash in the 1990s has long been linked to food availability at migratory stopover sites.... Read more »

McGowan, Conor P., James E. Hines, James D. Nichols, James E. Lyons, David R. Smith, Kevin S. Kalasz, Lawrence J. Niles, Amanda D. Dey, Nigel A. Clark, Philip W. Atkinson, Clive D. T. Minton, and William Kendall. (2011) Demographic consequences of migratory stopover: linking red knot survival to horseshoe crab spawning abundance. Ecosphere, 2(art69). info:/10.1890/ES11-00106.1

  • July 5, 2011
  • 08:42 PM

The Undiagnosed Epidemic of Incarceration

by Dirk Hanson in Addiction Inbox

Prison once again a place for addicts and the mentally ill.

Readers may remember the dark day of January 1, 2008, when the U.S. set an all-time record: One out of every 100 adults was behind bars. That’s more than 2.3 million people. That’s 25% of all the prisoners in the world—and the world includes some very nasty nations. What gives?

You know the answer: drug crimes. Can it really be a coincidence that over the past 40 years, ever since President Richard Nixon first declared war on ........ Read more »

Rich JD, Wakeman SE, & Dickman SL. (2011) Medicine and the epidemic of incarceration in the United States. The New England journal of medicine, 364(22), 2081-3. PMID: 21631319  

  • July 1, 2011
  • 09:50 PM

Q&A's with a Science Journalist: 'It's All Relativity'

by Paige Brown in From The Lab Bench

This week I am interviewing Louise Ogden, a science blogger on our own community blog Student Voices, which is hosted on Scitable by Nature Education. Louise also has her own science blog, It’s All Relativity, where she talks about space missions, climate change, exoplanets, solar eclipses, and much more! Louise is currently finishing up her Masters project at City University in London, which will earn her an (exciting!) degree in science journalism.... Read more »

Alison Wright. (2010) High-energy physics: Top of the class . Nature Physics, 6(644). info:/10.1038/nphys1783

  • June 30, 2011
  • 04:30 PM

The Fracking Fracas

by Whitney Campbell in Green Screen

An emerging technique for extracting natural gas from shale is revealing some ideological fissures among US policymakers, while what is known about its environmental impact is shaky at best. ... Read more »

  • June 30, 2011
  • 10:00 AM

Obesity As a Social Diagnosis

by Arya M. Sharma in Dr. Sharma's Obesity Notes

As blogged before, obesity has long been defined by the World Health Organisation and other bodies as a chronic disease and even bears its own diagnostic code in the International Classification of Diseases (ICD-9: 278.00, ICD-10: E65).
Nevertheless, the notion of obesity as a ‘disease’ continues to be contested with proponents of the medical model being [...]... Read more »

Brown P, Lyson M, & Jenkins T. (2011) From diagnosis to social diagnosis. Social science . PMID: 21705128  

  • June 29, 2011
  • 10:00 AM

Mothers’ Experience of Feeding Their Families

by Arya M. Sharma in Dr. Sharma's Obesity Notes

Despite all advances in gender equality, mothers overwhelmingly remain responsible for putting food on the family table.
Thus, any attempt at changing eating behaviours requires a sound understanding of the factors that determine mothers’ food choices for their families.
This issue is the topic of a study by Joyce Slater and colleagues from the University of Manitoba, [...]... Read more »

  • June 28, 2011
  • 02:33 PM

Increasing fruit & veggie intake - the why and the how

by Megan Carter in Verdant Nation

Today’s post focuses on why you should eat yer fruits and vegetables, and how we may be able to get more of us to do so.  At a population level, the evidence for increasing fruit and vegetable (F&V) consumption and decreasing obesity isn’t super strong [1]. But I still think that it’s at the heart of how to make a healthy population – coupled of course, with decreasing intake of crappy, energy dense, nutrient poor snack foods and sugar-sweetened beverages, as well as growing food in sus........ Read more »

Ledoux TA, Hingle MD, & Baranowski T. (2011) Relationship of fruit and vegetable intake with adiposity: a systematic review. Obesity reviews : an official journal of the International Association for the Study of Obesity, 12(5). PMID: 20633234  

  • June 27, 2011
  • 10:00 AM

Are Tax Incentives Cost-Effective to Promote Physical Activity?

by Arya M. Sharma in Dr. Sharma's Obesity Notes

Government can hope to affect the health of populations by using fiscal measures to give tax credits for positive behaviours and to slap punitive taxes on behaviours that are deemed harmful - typical examples would be a tax-write off for gym-memberships and higher sales tax on fast food or sugary pop.
While both measures (and similar [...]... Read more »

  • June 26, 2011
  • 10:10 AM

Smelly Hangups for Mosquitoes… and Bedbugs?

by Paige Brown in From The Lab Bench

A study in Nature this month reveals a promising new line of defense against disease-carrying, bloodthirsty critters, namely the mosquito. The BIG question is: can it work against the infamously pesky bedbug?... Read more »

Turner SL, Li N, Guda T, Githure J, Cardé RT, & Ray A. (2011) Ultra-prolonged activation of CO2-sensing neurons disorients mosquitoes. Nature, 474(7349), 87-91. PMID: 21637258  

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