She has chosen 51 genes to study, including those involved in the body's responses to stress and infection, in hormonal changes related to pregnancy, and in ways in which the body handles a wide variety of environmental toxins.

BBC: Gene clue to pregnancy riddle

It was found that a reduced-calorie diet cut the activity of genes linked to stress responses in the body that cause inflammation and the release of free radicals.

BBC: 'Eating less may prevent Alzheimer's'

The findings suggest that familiar and stranger body odors may be cues for emotional responses, Dr. Dalton says.

WSJ: Why We Sweat When We're Stressed

One Weibo post asking for users' own suggestions for what should be done at the "two sessions" - the NPC and the simultaneous meeting of China's top consultative body - received more than seven million responses.

BBC: China NPC: Social media reaction

It will include experts from government communications body GCHQ, MI5, police and business and aims to better co-ordinate responses to the threats.

BBC: Anti-cyber threat centre launched

That is despite positive responses from Fifa president Sepp Blatter and his predecessor at world football's governing body, Joao Havelange, when the subject was broached with them.

BBC: SPORT | Other Sport | Olympics 2012 | Wales mindful of GB football team