Scouring ingredient lists. Carrying an EpiPen. Sitting at the special lunch table at school. These anxiety-ridden measures have become routine for families with severe food allergies, who know it only takes one wrong bite to end up in the emergency room.

Nearly 6 million U.S. children and teens— about 8 percent, or two per classroom — have food allergies. In children, peanut allergy, which can be life-threatening, has gone up more than 21 percent since 2010.

When it comes to making changes in health care, CVS Health isn't settling for tinkering around the edges. The company is looking to strike at the heart of how health care is delivered in the U.S.

In November, the drugstore chain completed a $70 billion acquisition of health insurance giant Aetna that CVS has said will change the company and in the process alter the way consumers experience health care.

Updated at 11:52 a.m. ET

In 2011, Glynnis Bohannon gave her 12-year-old son permission to charge $20 on her credit card to play a game on Facebook called Ninja Saga. Neither of them saw any signs that the credit card information had been stored and was racking up charges as her son played and made additional in-game purchases. Bohannon says her son didn't realize it would end up costing nearly $1,000.

Talks between U.S. and Chinese trade negotiators continue this week in Washington, after discussions last week in Beijing did not yield a deal. Higher level meetings are slated to begin Thursday and continue through the end of the week.

U.S. Treasury Secretary Steven Mnuchin and U.S. Trade Representative Robert Lighthizer will meet with Chinese Vice Premier Liu He to continue the negotations.

On Tuesday, President Trump called the talks "very complex."

"I think the talks are going very well," he told reporters.

Three parliamentarians from Britain's ruling Conservative Party are breaking from the ranks to join the Independent Group, a centrist coalition started on Monday by defectors from the opposition Labour party.

The three lawmakers, who are all women, announced their split from the Conservatives in a letter addressed to Prime Minister Theresa May. They said the party had moved too far to the right, especially in its handling of Brexit.

Updated at 2 p.m. ET