Celebrities Give Awful Health Advice, and 7 Other Stories You'll Be Talking About Today

Also in today's edition of The Broadsheet: Reese Witherspoon gets engaged...Jeff Bridges on whether he was high at the Oscars...Clint Eastwood confirms a regal actress for his upcoming J. Edgar Hoover biopic...Ashton Kutcher prepares for an actual apocalypse...And more...

· The Sense About Science (SAS) campaign group laid waste to a number of diet and exercise suggestions made by celebrities in order to "to help the celebrities realize where they are going wrong and to help the public make sense of celebrity claims." Among the misguided recommendations: Fasting on maple syrup and lemon juice, crumbling charcoal over your food and reabsorbing your own sperm. Revise all New Year's resolutions accordingly. [Reuters]

· Reese Witherspoon has announced that she is engaged to Hollywood agent Jim Toth. According to their rep, "They are extremely happy." Great! [Us Weekly]

· It turns out that Jeff Bridges was not high when he accepted his Oscar last year. To quote: "That's a funny question, I love your reading too! No, man. No, No I wasn't high. No, man, no. Oh God. No, no, no, no. Are you high now?" Other news: Jeff Bridges is still awesome. [MTV]

· Clint Eastwood has confirmed that Judi Dench will star alongside Leonardo DiCaprio, Armie Hammer and Damon Herriman in his upcoming J. Edgar biopic. He also said publicly that he is hoping to add Charlize Theron to the cast. But no pressure, Charlize! [The Playlist]

· Ashton Kutcher is apparently on a very strict fitness workout that includes Muay Thai fighting so that he is prepared for...the apocalypse. Kutcher told Men's Fitness, "It will not take much for people to hit the panic button. The amount of convenience that people rely on based on electricity alone. You start taking out electricity and satellites, and people are going to lose their noodle. And people are going to go, 'That land's not yours, prove that it's yours,' and the only thing you have to prove it's yours is on an electronic file..." Well then! Might want to pick different celebrity mansion to loot on the eve of destruction. [Gawker]

· A group of physicists have come up with a new model of the universe and a fairly convincing argument that it will not continue to expand indefinitely. In fact, they say there's a 50% chance that time will end within the lifetime of the earth and the sun...that is, sometime in the next 3.7 billions years. Ashton Kutcher will be ready. [Technology Review]

· George Clooney is teaming up with the U.N. and Google to launch satellite surveillance of the border between North and South Sudan. The hope is that monitoring movements of troops will give early warning to signs of impending conflict, which may ramp up after the South votes in a secession referendum next month. [The Telegraph]

· Slow work day? Try to guess all of the movie titles in this photo puzzle that the Daily Mail put together. [Daily Mail]