Jonathan’s research

Winger, J, J Dugas, and L Dugas (2011). Beliefs about hydration and physiology drive drinking behaviours in runners. British Journal of Sports Medicine, Vol 45(8): 646–649

Hew-Butler, T, J Dugas, T Noakes, and J Verbalis (2010). Changes in plasma arginine vasopressin concentrations in cyclists participating in a 109-km cycle race. British Journal of Sports Medicine, Vol 44(8): 594–597

Dugas, J (2010). How hot is too hot?: Some considerations regarding temperature and performance. International Journal of Sports Physiology and Performance, Vol 5(4): 559–564

Dugas, J, U Oosthuizen, R Tucker, and T Noakes (2009). Rates of fluid ingestion alter pacing but not thermoregulatory responses during prolonged exercise in hot and humid conditions with appropriate convective cooling. European Journal of Applied Physiology, Vol 105(1): 69–80

Noakes, T, J Dugas, L Dugas, R Tucker, J Oksa, J Dunn, B van der Merwe, J Dirker, K Porvari, and J Smolander (2009). Body temperatures during three long-distance polar swims in water of 0–3 °C. Journal of Thermal Biology, Vol 34(1): 23–31

Dugas, J (2009). How cool does immersion cooling for hyperthermia need to be? Clinical Journal of Sport Medicine, Vol 19(6): 508–509

Lambert, M, T Mann, and J Dugas (2008). Ethnicity and temperature regulation. Medicine and Sport Science, Vol 53, 104–120

Lambert, E, J Goedecke, K Bluett, K Heggie, A Claassen, D Rae, S West, J Dugas, L Dugas, S Meltzeri, K Charlton, and I Mohede (2007). Conjugated linoleic acid versus high-oleic acid sunflower oil: effects on energy metabolism, glucose tolerance, blood lipids, appetite and body composition in regularly exercising individuals. British Journal of Nutrition, Vol 97(5): 1001–1011

Hew-Butler, T, K Sharwood, J Boulter, M Collins, R Tucker, J Dugas, R Shave, K George, T Cable, J Verbalis, and T Noakes (2007). Dysnatremia predicts a delayed recovery in collapsed ultramarathon runners. Clinical Journal of Sport Medicine, Vol 17(4): 289–296

Dugas, J (2006). Sodium ingestion and hyponatraemia: sports drinks do not prevent a fall in serum sodium concentration during exercise. British Journal of Sports Medicine, Vol 40(4): 372

Dugas, J, U Oosthuizen, R Tucker, and T Noakes (2006). Drinking “ad libitum” optimises performance and physiological function during 80 km indoor cycling trials in hot and humid conditions with appropriate convective cooling: 1340: Board #4. May 2006. Medicine & Science in Sports & Exercise: 38(5), S176, Series: ‘Hypohydration and Performance’

Saunders, A, J Dugas, R Tucker, M Lambert, and T Noakes (2005). The effects of different air velocities on heat storage and body temperature in humans cycling in a hot, humid environment. Acta Physiologica Scandinavica, Vol 183(3): 241–255

Hew-Butler, T, C Almond, J Ayus, J Dugas, W Meeuwisse, T Noakes, S Reid, A Siegel, D Speedy, K Stuempfle, J Verbalis, L Weschler, and (2005). Consensus statement of the 1st International Exercise-Associated Hyponatremia Consensus Development Conference, Cape Town, South Africa 2005. Clinical Journal of Sport Medicine, Vol 15(4): 208–213

Dugas, J and T Noakes (2005). Hyponatraemic encephalopathy despite a modest rate of fluid intake during a 109 km cycle race. British Journal of Sports Medicine, Vol 39(10)

Noakes, T, K Sharwood, D Speedy, T Hew, S Reid, J Dugas, C Almond, P Wharam, and L Weschler (2005). Three independent biological mechanisms cause exercise-associated hyponatremia: evidence from 2,135 weighed competitive athletic performances. Proceedings of the National Academy of Sciences of the United States of America, Vol 102(51): 18550–18555

Hampson, D, A St Clair Gibson, M Lambert, J Dugas, E Lambert, and T Noakes (2004). Deception and perceived exertion during high-intensity running bouts. Perceptual and Motor Skills, Vol 98(3 Pt 1): 1027–1038

Mitchell, J, B McFarlin, and J Dugas (2003). The effect of pre-exercise cooling on high intensity running performance in the heat. International Journal of Sports Medicine, Vol 24(2): 118–124

Mitchell, J, J Dugas, B McFarlin, and M Nelson (2002). Effect of exercise, heat stress, and hydration on immune cell number and function. Medicine and Science in Sports and Exercise, Vol 34(12): 1941–1950

Mitchell, J, E Schiller, J Miller, and J Dugas (2001). The influence of different external cooling methods on thermoregulatory responses before and after intense intermittent exercise in the heat. Journal of Strength and Conditioning Research, Vol 15(2): 247–254