This article has been corrected. The original version (PDF) is appended to this article as a
Supplement . Description: Dietary guideline recommendations require consideration of the …

Background Antibiotics can disturb gastrointestinal microbiota which may lead to reduced
resistance to pathogens such as Clostridium difficile (C. difficile). Probiotics are live microbial …

Background Antibiotics alter the microbial balance commonly resulting in antibiotic‐associated
diarrhea (AAD). Probiotics may prevent AAD via providing gut barrier, restoration of the …

This article has been corrected. The original version (PDF) is appended to this article as a
Supplement . Background: Dietary guidelines generally recommend limiting intake of red and …

Importance Many claims have been made regarding the superiority of one diet or another
for inducing weight loss. Which diet is best remains unclear. Objective To determine weight …

Background Antibiotics alter the microbial balance within the gastrointestinal tract. Probiotics
may prevent antibiotic‐associated diarrhea (AAD) via restoration of the gut microflora. …

Importance Harms and benefits of opioids for chronic noncancer pain remain unclear.
Objective To systematically review randomized clinical trials (RCTs) of opioids for chronic …

Presenting continuous outcomes in Summary of Findings tables presents particular challenges
to interpretation. When each study uses the same outcome measure, and the units of that …

Objective To determine the efficacy and safety of low carbohydrate diets (LCDs) and very low
carbohydrate diets (VLCDs) for people with type 2 diabetes. Design Systematic review and …

Background: Antibiotic treatment may disturb the resistance of gastrointestinal flora to
colonization. This may result in complications, the most serious of which is Clostridium difficile–…