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In brief: Drug-use link to mums' smoking

Children whose mothers smoked while pregnant were more likely to end up on medications such as antidepressants, stimulants and drugs for addiction, according to a study from Finland.

While the findings don't prove that smoking during pregnancy causes changes in children's brains or behaviour, they offer one more piece of evidence that should encourage women not to smoke while pregnant, the researchers wrote in the American Journal of Epidemiology.

Chavez at home for treatment

President Hugo Chavez thanked Venezuelans for praying for his health as he undergoes a third round of chemotherapy at a military hospital in Caracas, this time getting the cancer treatment at home rather than Cuba.

Mr Chavez walked into the Dr Carlos Arvelo Military Hospital late on Saturday. He said his treatment has been going well and aims to prevent reappearance of cancer cells more than two months after he underwent surgery.

14pc believe 9/11 conspiracy

More than one in 10 people in the UK are convinced that the American government was involved in a conspiracy to stage the September 11 attacks.

A poll carried out for BBC Two found that 14pc of Britons think the US administration was involved in the atrocity, which killed nearly 3,000 people.

The belief that there was a conspiracy was more common among younger people.