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Fermentation of the dietary fiber by intestinal microflora results in production of butyrate.

Butyrate possesses anticarcinogenic effect at the colonic level.

Three transporters (MCT1, SMCT1 and BCRP) regulate the intracellular concentration of BT in colonic epithelial cells.

Changes in the expression of these transporters occur in colorectal cancer.

Male fertility decline has been attributed, in part, to increased oxidative stress.

Here we will focus on spermatozoa ROS, namely O2•−, NO and ONOO− and their contribution to protein tyrosine nitration, namely by 3-NT formation.

An in depth review will be made on the methods used to detect protein oxidation.

Detecting 3-NT in sperm proteins will have a crucial clinical impact, namely on the follow up of anti-oxidant therapies.

H. pylori was observed in 30% of children and 26% had excessive sodium intake.

No association was found between sodium intake and H. pylori infection in early life.

This is the first study testing sodium effect in H. pylori infection in children.

The SINPHONIE guidelines were successful in reducing PM2.5 and PM10 in schools.

The schools failed to reduce the levels of other IAQ pollutants.

No significant changes were observed in the prevalence of atopy.