Yesterday he said he wanted to turn around the health of children, as he accused the Government of going in "completely the wrong direction".
Sir Keir was willing to defy "nanny state" barbs after his party announced supervised teeth brushing at free breakfast clubs.
During a visit to Alder Hey Children's Hospital in Liverpool he also confirmed the party's ban on junk food adverts aimed at children.
Dr Senthil Seniappan told the Labour leader he was seeing children with "serious complications" due to being overweight or obese.
The children's doctor said: "In some boroughs 50% of young people are overweight or obese.
Shocked
"This is a huge problem for us now and for the future."
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Denne historien er fra January 12, 2024-utgaven av Daily Express.
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FEISTY CHELSEA NOT YET READY FOR TITLE PUSH
Tempers boil over as Blues held by 10 men
HATTON'S HISTORIC HAT-TRICK
Tyrrell's treble with a cause
THE INDUSTRIAL REVOLUTION IS DEAD
As traditional steel making ends in Port Talbot-leaving the UK reliant on imported materials and our last coal-fired power station shuts down in the rush to renewables, no wonder many fear that for the nation which led the world in manufacturing and technology...
All Creatures star: I'd love to see original TV James Herriot in show
THE star of TV hit All Creatures Great and Small wants original leading man Christopher Timothy to join the show.
'We're not talking about a few dental hotspots. This national crisis is affecting millions'
A NATIONAL dentistry crisis has seen people resort to pulling teeth out with pliers while numbed by booze, experts warn.
Serial criminals spared jail despite dozens of offences
SERIAL offenders including burglars and paedophiles are being spared prison despite dozens of convictions for the same offence, shocking figures have revealed.
Grandparents are forfeiting holidays to help loved ones
MILLIONS of grandparents are going without a holiday so they can give money to help their grandchildren out, a survey suggests.
'It's a witch hunt'...doctor hits back over HRT claims
A MENOPAUSE expert has hit back at a TV show which attacked her for prescribing high doses of hormone replacement therapy.
Cleverly tipped to win in poll of Tory faithful
JAMES Cleverly's bid to become the next Conservative Party leader received a huge boost after a poll suggested he would beat frontrunner Robert Jenrick.
Record arrival in small boats
Nearly 1,000 cross on same day as a boy aged two dies
