How to beat the festive fat trap  By Alice Neville  Trying to
diet over the festive season will be self-defeating. Photo /
Getty Images  The silly season can be the downfall of many a
dieter, with boozy parties and fatty festive food all but
ruining the abstemious existence of the past 12 months.  But it
doesn't have to be that way. Common sense and a few top tips
from experts will get you through Christmas with your figure
intact.  Nutritionist Sarah Hanrahan says there's no point
trying to diet at Christmas time, so give up any hope of fitting
into a swimsuit in January that was too small in December.
"Trying to diet through Christmas is almost impossible unless
you've got iron willpower," says Hanrahan, of the New Zealand
Nutrition Foundation. "People get so depressed when it doesn't
work, but if they can get over that whole thing about feeling
bad about what they eat at Christmas and just enjoy appropriate-
sized portions, they'll pop out the other end ready to get on
with it, rather than setting themselv