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Regular moist snuff...
Regular moist snuff dipping does not affect endurance exercise performance
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- Björkman, Frida (författare)
- Gymnastik- och idrottshögskolan,Björn Ekbloms forskningsgrupp
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- Edin, Fredrik (författare)
- Gothenburg University,Göteborgs universitet,Centrum för hälsa och prestationsutveckling,Institutionen för kost- och idrottsvetenskap,Center for Health and Performance,Department of Food and Nutrition, and Sport Science,University of Gothenburg
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- Mattsson, C Mikael (författare)
- Gymnastik- och idrottshögskolan,Karolinska Institutet,Björn Ekbloms forskningsgrupp
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- Larsen, Filip (författare)
- Gymnastik- och idrottshögskolan,Karolinska Institutet,Forskningsgruppen Mitokondriell funktion och metabol kontroll
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- Ekblom, Björn (författare)
- Gymnastik- och idrottshögskolan,Björn Ekbloms forskningsgrupp
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(creator_code:org_t)
- 2017-07-13
- 2017
- Engelska.
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Ingår i: Plos One. - : Public Library of Science (PLoS). - 1932-6203. ; 12:7
- Relaterad länk:
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https://doi.org/10.1...
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https://gih.diva-por... (primary) (Raw object)
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Abstract
Ämnesord
Stäng
- Physiological and medical effects of snuff have previously been obtained either in cross-sectional studies or after snuff administration to non-tobacco users. The effects of snuff cessation after several years of daily use are unknown. 24 participants with >2 years of daily snuff-use were tested before and after >6 weeks snuff cessation (SCG). A control group (CO) of 11 snuff users kept their normal habits. Resting heart rate (HR) and blood pressure (BP) were significantly lower in SCG after snuff cessation, and body mass was increased by 1.4 +/- 1.7 kg. Total cholesterol increased from 4.12 +/- 0.54 (95% CI 3.89-4.35) to 4.46 +/- 0.70 (95% CI 4.16-4.75) mM L-1 in SCG, due to increased LDL, and this change was significantly different from CO. Resting values of HDL, C-reactive protein, and free fatty acids (FFA) remained unchanged in both groups. In SCG group, both HR and BP were reduced during a four-stage incremental cycling test (from 50 to 80% of VO(2)max) and a prolonged cycling test (60 min at 50% of VO(2)max). Oxygen uptake (VO2), respiratory exchange ratio, blood lactate (bLa) and blood glucose (bGlu) concentration, and rate of perceived exertion (RPE) were unchanged. In CO group, all measurements were unchanged. During the prolonged cycling test, FFA was reduced, but with no significant difference between groups. During the maximal treadmill running test peak values of VO2, pulmonary ventilation (VE), time to exhaustion and bLa were unchanged in both groups. In conclusion, endurance exercise performance (VO(2)dmax and maximal endurance time) does not seem to be affected by prolonged snuff use, while effects on cardiovascular risk factors are contradictory. HR and BP during rest and submaximal exercise are reduced after cessation of regular use of snuff. Evidently, the long-time adrenergic stress on circulation is reversible.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Fysiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Physiology (hsv//eng)
- LANTBRUKSVETENSKAPER -- Veterinärmedicin -- Medicinsk biovetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Veterinary Science -- Medical Bioscience (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Idrottsvetenskap (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Sport and Fitness Sciences (hsv//eng)
Nyckelord
- SMOKELESS TOBACCO USE
- MIDDLE-AGED MEN
- MYOCARDIAL-INFARCTION
- CIGARETTE-SMOKING
- BASEBALL PLAYERS
- NICOTINE
- RISK
- MORTALITY
- CANCER
- COTININE
- Multidisciplinary Sciences
- Medicin/Teknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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