Webcast: Examining the Scientific Basis Around Exercise and Diet Claims

Posted on May 19, 2013  Comments (2)

Tim Noakes is the Director of UCT/MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, Faculty of Health Science, University of Cape Town and Professor, Discovery Health Chair of Exercise and Sports Science, University of Cape Town.

Tim examines some questions on science and exercise and health in the webcast. He shows the problem with drinking too much during exercise and the correlation of hospital admissions correlated to the sport drinks marketing and changing of the official drinking guidelines. He also discusses the outdated ideas related to lactic acid and muscles.

He is currently studying the science of food and human health and is skeptical of low fat health claims: “No evidence that dietary fat is related to heath disease.” He is certainly more knowledgable than I but I would still be cautious of completely accepting that premise. It does seem to me there is lots of evidence that claims of causation between eating a high fat diet and heart disease were too strong (many other factors were critical – such as weight, exercise, genetics, unsaturated fat v. saturated fat…).

Tim Noaks: “50% of what we teach is wrong; the problem is we don’t know which 50% it is. Our job as educated people is to spend our lifetime trying to figure out which 50% is which. Until it is disproven accept that for which the evidence appears solid and logical and is free of covert or overt conflicts of interest, because unfortunately industry is driving what you believe in many many things. But don’t ever dismis lightly that for which there is credible evidence… and there is such clear evidence the diets we are eating are horrendous.”

As I have said before, scientific literacy is critical to allow us to make those judgements about what is credible evidence and what are outright lies, foolish claims or highly suspicious claims tainted by conflicts of interest.

Related: Can You Effectively Burn Calories by Drinking Cold Water?Static Stretching Decreases Muscle StrengthLack of Physical Activity Leads to 5.3 Million Early Deaths a YearScience Continues to Explore Causes of Weight GainStudy Finds Obesity as Teen as Deadly as Smoking

2 Responses to “Webcast: Examining the Scientific Basis Around Exercise and Diet Claims”

  1. Better Health Through: Exercise, Not Smoking, Low Weight, Healthy Diet and Low Alcohol Intake » Curious Cat Science Blog
    December 14th, 2013 @ 9:57 am

    The people who consistently followed four or five of these behaviors exp
    experienced a 60 per cent decline in dementia and cognitive decline ”“ with exercise being the strongest mitigating factor ”“ as well as 70 per cent fewer instances of diabetes, heart disease and stroke…

  2. Exercise Is Really Really Good for You » Curious Cat Science Blog
    August 19th, 2015 @ 7:50 am

    Other than [not] smoking there are few modifiable risk factors that seem to have the huge impact on heath activity does”¦

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