Calcium and vitamin D supplements may raise risk of polyps

Analysis of data from a large trial found calcium with and without vitamin D raised risk of colorectal polyps 6–10 years after starting on the supplements.

Probiotics do not help infants with colic

Giving probiotics to infants with colic does not appear to have any benefit, according to a large trial published on bmj.com.These findings differ from previous smaller trials and do not support a general recommendation for the use of probiotics to treat colic in infants.