Beer is used to socialize postexercise, celebrate sport victory, and commiserate postdefeat. Rich in polyphenols, beer has antioxidant effects when consumed in moderation, but its alcohol content may confer some negative effects. Despite beer’s popularity, no review has explored its effects on exercise performance, recovery, and adaptation. Thus, a systematic literature search of three databases (PubMed, SPORTDiscus, and Web of Science) was conducted by two reviewers. The search resulted in 16 studies that were appraised and reviewed. The mean PEDro score was 5.1. When individuals are looking to rehydrate postexercise, a low-alcohol beer (<4%) may be more effective. If choosing a beer higher in alcoholic content (>4%), it is advised to pair this with a nonalcoholic option to limit diuresis, particularly when relatively large volumes of fluid (>700 ml) are consumed. Adding Na+ to alcoholic beer may improve rehydration by decreasing fluid losses, but palatability may decrease. These conclusions are largely based on studies that standardized beverage volume, and the results may not apply equally to situations where people ingest fluids and food ad libitum. Ingesting nonalcoholic, polyphenol-rich beer could be an effective strategy for preventing respiratory infections during heavy training. If consumed in moderation, body composition and strength qualities seem largely unaffected by beer. Mixed results that limit sweeping conclusions are owed to variations in study design (i.e., hydration and exercise protocols). Future research should incorporate exercise protocols with higher ecological validity, recruit more women, prioritize chronic study designs, and use ad libitum fluid replacement protocols for more robust conclusions.
Purpose This case study examined the recovery after radical prostatectomy (RP) of an endurance-trained 65-yr-old man. Methods A maximal incremental exercise test and a 1-h steady-state test were performed just before and 3 months after robotic RP to determine maximal oxygen consumption (V˙O2max) and other cardiorespiratory variables. The patient recorded his training as he prepared for an endurance event that was to occur 3 months after RP, the Norwegian Foot March, a 30-km road march carrying 11.4 kg. Results In the month before RP, the patient performed 2 to 3 h of vigorous-intensity aerobic exercise per week, fast walking carrying an 11.4-kg pack, with the longest individual session being a 16-km road march. Just before surgery, V˙O2max was 36.7 mL·min−1·kg−1, HR during 30 min at 7.2 km·h−1 and 0% grade was 77% of HR reserve (HRR), and during 30 min at 5.3 km·h−1 and 10% grade was 92% HRR. On postsurgery day 44, he did a 19-km road march carrying 11.4 kg, exceeding the training level of the month presurgery. Three months postsurgery, V˙O2max was 42.7 mL·min−1·kg−1, and HR during the flat and uphill 30-min sessions at the same absolute intensity as presurgery were 70% and 83% HRR, respectively. He completed the Norwegian Foot March 93 d postsurgery in 4:24:37, with an average HR of 72% HRR. Conclusions This case study demonstrates that an aerobically trained prostate cancer patient can return to high-level aerobic training in as little as 7 wk post-RP, and even exceed presurgery fitness. This finding has implications for prognosis given the beneficial effect of vigorous-intensity exercise on prostate cancer progression.
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