Doctors say we need to take immediate action to end the UK's reputation as the fat man of Europe.
Daybreak's Health Editor Dr Hilary said that obesity had increased "dramatically" in the last ten years.
The Academy of Medical Royal Colleges says not enough is being done to keep the nation healthy.
They feel fizzy drinks and fatty foods should be treated in the same way as tobacco.
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Wintry scenes across the UK this late in April have not been seen since the mid-1980s.
The Labour leader will also announce an inquiry into anti-semitism and other forms of racism to be chaired by Shami Chakrabarti.
A switch in the wind direction will mean the unseasonably bitterly cold air of the last few days finally gives way.