WCWTPs1e10 Is there a link between dehydration and our experience of pain?



Welcome to Season 1, Episode 10 of the show. Who cares? What’s the point? The podcast about the mind for people who think.

In this episode, I talk with Dt Toby Mundel of the School of Sport and Exercise Science at Massey University in New Zealand. We talk about his recent work investigating the relationship between people’s hydration levels and their experience of pain.

Here is the link to the research study we talk about in this week’s show:

http://onlinelibrary.wiley.com/doi/10.1111/psyp.12610/abstract

Here is the abstract for some context:

Chronic pain is a prevalent health issue with one in five people suffering from some form of chronic pain, with loss of productivity and medical costs of chronic pain considerable. However, the treatment of pain can be difficult, as pain perception is complex and can be affected by factors other than tissue damage. This study investigated the effect of hypohydration (mild, voluntary dehydration from ?24 h of limiting fluid intake, mimicking someone drinking less than usual) on a person’s pain perception. Seventeen healthy males (age 27?±?5 years) visited the laboratory on three occasions, once as a familiarization and then twice again while either euhydrated (urine specific gravity: 1.008?±?0.005) or hypohydrated (urine specific gravity: 1.024?±?0.003, and ?1.4?±?0.9% body mass). Each visit, they performed a cold pressor test, where their feet were placed in cold water (0?3°C) for a maximum of 4 min. Measures of hydration status, pain sensitivity, pain threshold, and catastrophization were taken. We found that hypohydration predicted increased pain sensitivity (??=?0.43), trait pain catastrophizing, and baseline pain sensitivity (??=?0.37 and 0.47, respectively). These results are consistent with previous research, and suggest that a person’s hydration status may be an important factor in their perception of acute pain.

I hope you find our conversation interesting and thought-provoking.

 

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 That’s it for this season of the show – we will be back again soon with Season 2. If you haven’t already, please check out the rest of Season 1 and subscribe so as not to miss an episode of the new season, starting in Q1, 2017.

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