Self-help 'makes you feel worse' Bridget Jones is not alone in turning to self-help mantras to boost her spirits, but a study warns they may have the opposite effect. WHO warns swine flu 'unstoppable' The UN's top health official tells a swine flu forum in Mexico that the spread of the virus worldwide is now unstoppable. Solo life ups gene dementia risk People who have a gene flaw and live alone in middle-age are at highest risk of developing dementia, a study suggests. Flu risk for indigenous peoples Indigenous peoples, such as Aborigines and Native Americans, have a higher risk from swine flu, experts warn. Four pints 'increase health risk' Men who drink four pints of beer a week could be increasing their lifetime risk of needing hospital treatment, a study says.