Vegetarian diets were associated with reduced risk for gastric and colorectal cancers in a systematic review and meta-analysis of observational studies.
Short-term exposure to air pollution may be linked to an increased risk of stroke, according to a study. The meta analysis, published recently in the the journal Neurology, defined short-term exposure as occurring within five days of the stroke. A stroke can cause lasting brain damage, long-term disability, or even death.
Tea consumption was not significantly associated with the development of colorectal cancer in a large systematic review and meta-analysis, but questions remain, the researchers say.
Results from the systematic review and meta-analysis showed FMT restored the normal microbiome, reduced the risk of gastrointestinal infections, and did not lead to increased adverse events in patients with HIV.