The 24 Hour Diet: Lose up to 4lbs in a DayThe UKs leading diet and fitness expert, Joanna Hall, shows you the healthy way to shed excess pounds in a day. This fantastic plan is a refinement on the typical low GI diet. It is complimented with a 20 day follow on plan which builds up in very small steps, day by day. Joannas mantra is: small steps make big changes. A totally effective one day diet for any emergency: whether it's a party, beach holiday, or simply when the excesses of Christmas