Researchers examined e-cigarette vapour and its influence on the oral microbiome and immune health.
Its over concerns over the Coronavirus outbreak.
Those affected have been taking to social media.
The firm have said that child labour is unacceptable.
David Villa has no doubt Raheem Sterlings stunning improvement as a player is down to his work with Pep Guardiola. Sterling is now rated as one of England and Europes top players after two outstanding seasons in Manchester Citys back-to-back Premier League title successes of 2018 and 2019..
Betting giant William Hill has posted 2019 profits ahead of expectations, despite closing more than 700 betting shops. The company reported a 52% decline in adjusted pre-tax profits to Â£96.5 million for the year to December 31..
Extinction Rebellion activists caged like canaries have blocked the entrance to an open cast mine in opposition to plans to expand it. There were heated scenes as a protester tried to get under a barrier at the entrance to the Bradley site near Dipton, County Durham, but was stopped by security guards patrolling with dogs..
Love Island winners Paige Turley and Finley Tapp have sealed their return to the UK with a kiss. The couple touched down at Heathrow Airport on Wednesday morning with the programmes other finalists..
South Korea has reported 115 more cases of the new coronavirus, raising its total to 1,261. The Korea Centres for Disease Control and Prevention said that 82 of the new cases have been recorded in the south-eastern city of Daegu and nearby areas..
An inquest is due to open on Wednesday into the death of Streatham terrorist Sudesh Amman. The 20-year-old was shot dead by two police marksmen after he stole a knife from a shop on Streatham High Road and stabbed two bystanders on Sunday February 2..