A health warning and a shooting at a Florida high school dominate the front pages on Thursday.
Many papers lead on a new study which claims eating processed foods could increase the risk of cancer.
The Daily Mail reports that experts have warned more lives are being lost to the disease because of the popularity of ready meals, sugary cereals and fizzy drinks.
The same story is picked up by The Times, which describes it as the first study of its kind, as well as the Daily Express, which says the "hit list" includes instant noodles, pre-packed bread, ready-to-eat desserts, meatballs and chicken nuggets.
A health story also leads the Daily Mirror, which continues its organ donation campaign by revealing that 4,712 people have died in England in the past decade while waiting for an organ donor.
The i reports on a shooting at a high school in Florida, which killed at least 17 people.
The paper says a teenage suspect arrested near the scene is believed to be a former pupil.
Politics is never far from the top of the news agenda, and many papers pick up political themes both at home and abroad.
The Daily Telegraph reports that Theresa May was "facing a political crisis" in Northern Ireland after the Democratic Unionist Party said that power-sharing talks had collapsed and suggested a form of direct rule should be introduced once again.
The Independent reports that MPs have called for urgent action over a pensions mis-selling scandal, while the Financial Times reports on a parliamentary report that claimed British Steel pension savers were "shamelessly" exploited by "dubious financial advisers" after a restructuring of the scheme last year.
And the Guardian features political issues in South Africa on its front, reporting on the resignation of president Jacob Zuma on the eve of a no-confidence vote in parliament.
The paper also carries a story about university leaders, reporting that research found the majority of university vice-chancellors are either members of the committee that decides their salary or are allowed to attend its meetings.
Meanwhile, the Sun claims it obtained files suggesting Jeremy Corbyn met a communist spy at the height of the Cold War and warned him of a clampdown by British intelligence. Mr Corbyn said the claim he was an agent or informer for any intelligence agency is "entirely false".
The Metro reports that a rough sleeper died yards from Parliament after a night of sub-zero temperatures.
And the Daily Star says "Little Ant and Dec" have been axed from the new series of Saturday Night Takeaway.