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On Monday, researchers at the Harvard School of Public Health released study results showing that red meat consumption was associated with a higher risk of early death. The more red meat -- beef, pork or lamb, for the purposes of the research -- study participants reported they ate, the more likely they were to die during the period of time that data collection took place (more than 20 years). So what is it in red meat that might make it unhealthy?   No one is sure, exactly, but the authors of the Harvard study mention a few possible culprits in their paper in the Archives of Internal Medicine .   First, eating red meat has been linked to the incidence of heart disease.  The saturated fat and cholesterol in beef, pork and lamb are believed to play a role in the risk of coronary heart disease .  The type of iron found in red meat, known as heme iron, has also been linked to heart attacks and fatal heart disease.  Sodium in processed meats may increase blood pressure, which is a risk factor for heart disease. Other chemicals that are used in processed meats may play a role in heart disease as well, by damaging blood vessels.

$138.9 billion: Total negative equity in Southern California 78.5%: Homeowners with negative equity in the 90014 ZIP Code, the worst rate in Southern California 0%: Homeowners with negative equity in the 93040, 91963, 92066 and 91210 ZIP Codes 10%: Percentage of Southern California cities in which one-fifth of homeowners owe double the value of their homes

A stream of highly charged particles from the sun is headed straight toward Earth, threatening to plunge cities around the world into darkness and bring the global economy screeching to a halt. This isn't the premise of the latest doomsday thriller. Massive solar storms have happened before - and another one is likely to occur soon, according to Mike Hapgood, a space weather scientist at the Rutherford Appleton Laboratory near Oxford, England. Much of the planet's electronic equipment, as well as orbiting satellites, have been built to withstand these periodic geomagnetic storms.

Even as a tentative housing recovery in the Southland appears underway, a big stumbling block remains: the vast number of underwater homeowners. Nearly 1 in 3 homeowners with a mortgage in Los Angeles County owes more on the loan than the property is worth, according to fresh data from real estate website Zillow. In the hard-hit Inland Empire, that climbs to more than half of borrowers. In roughly 10% of Southern California cities, 1 of every 5 homeowners with a mortgage owes double the value of the house, according to the data, released Wednesday.

In an age of long commutes, late sports practices, endless workdays and 24/7 television programming, the image of Mom hanging up her dish towel at 7 p.m. and declaring "the kitchen is closed" seems a quaint relic of an earlier era. It also harks back to a thinner America. And that may be no coincidence. A new study, conducted on mice, hints at an unexpected contributor to the nation's epidemic of obesity - and, if later human studies bear it out, a possible way to have our cake and eat it too, with less risk of weight gain and the diseases that come with it. Just eat your cake - or better yet, an apple - earlier.

Researchers have some reassuring news for the legions of coffee drinkers who can't get through the day without a latte, cappuccino, iced mocha, double-shot of espresso or a plain old cuppa joe: That coffee habit may help you live longer. A new study that tracked the health and coffee consumption of more than 400,000 older adults for nearly 14 years found that java drinkers were less likely to die during the study than their counterparts who eschewed the brew. In fact, men and women who averaged four or five cups of coffee per day had the lowest risk of death, according to a report in Thursday's edition of the New England Journal of Medicine.

Times are tough enough for Californians; they're even tougher for Californians' teeth. "One-quarter of all adults and 28% of children in California have untreated dental caries [cavities]," says Len Finocchio, a senior program officer at the California Healthcare Foundation, a health advocacy group. "Our research tells us that many people in California have been avoiding routine care that might have cost about $100 for a checkup and cleaning, and then find themselves in the emergency room, where they get only an antibiotic, a bill that can average over $600 and instructions to see a dentist."

Manny Hamelburg, 68, a retired businessman, had fought prostate cancer for years. First, he tried radiation, then a drug with side effects that nearly killed him, and finally Lupron, a drug that blocks production of testosterone, the hormone that can fuel prostate cancer. The cancer disappeared. But life was miserable. Without normal levels of testosterone, Hamelburg says, he had no energy, and "zero libido for seven years. I was like a eunuch. I was chemically castrated. Sex was just hugs."

The wait for tables is getting longer at Buck's, a popular breakfast spot for the tech elite and a weather vane for the Silicon Valley economy. Here, like everywhere else, Facebook is the talk of the town. "Charles Schwab was in the restaurant the other day, and I asked him to hook me up with some Facebook shares," said Jamis MacNiven, owner of Buck's, in the wealthy suburban enclave of Woodside. "He told me even he can't get Facebook shares. " The new tech boom officially gets underway Friday when Facebook Chief Executive Mark Zuckerberg rings Nasdaq's opening bell remotely from the company's Menlo Park, Calif., headquarters, launching the largest initial public offering of stock in Silicon Valley history.

washington -- Mitt Romney twice emphasized his unique business background when he and eight other Republican presidential candidates faced off in a debate last week in Iowa. "I've spent the last, as I've told you, 25 years in the private sector," former Massachusetts Gov. Romney declared at one point. "I understand why jobs come and why jobs go. I've done business in 20 countries."

Video-on-demand services usually come into play toward the end of a film's life span — either to follow a theatrical run or to take a movie straight to video. For the website Prescreen, however, VOD is the launching pad. Prescreen, which debuted in September, offers users a curated selection of independent films, most available for 60 days and many exclusive to the site. A single film is spotlighted in a daily email, and most rentals cost $2 to $8 for a 48-hour viewing window.

As Facebook shares continued their slide, regulators launched inquiries into whether privileged Wall Street insiders were alerted to the company's weakening financial projections, leading them to shun the stock or dump shares just as buying was opened to the public. Morgan Stanley, which led the Wall Street effort to bring the social network public, came under fire following reports that the bank had told some favored clients that the bank was cutting its revenue estimates for Facebook.

In the face of privacy concerns, the Los Angeles Police Department has agreed to change the way it collects information on suspicious activity possibly related to terrorism. The department, after coming under fire from civil liberties and community groups, will no longer hold on to so-called suspicious activity reports that the LAPD's counter-terrorism unit determines are about harmless incidents. Until now, the department stored the innocuous reports in a database for a year.

The growing number of electric vehicle drivers in Los Angeles are behaving differently from the national norm. Not only are EV drivers in L.A. traveling farther than those in other cities, but they charge their vehicles more often at public locations and are more likely to charge at night to obtain less expensive electricity rates, according to Ecotality in San Francisco. Ecotality oversees the EV Project, a $230-million deployment of electric-vehicle charging infrastructure funded in part by the U.S. Department of Energy to aid the rollout of electric vehicles and conduct research.

Southern California's housing market showed signs of turning the corner in April as foreclosures made up the smallest share of sales in four years and the region's median home price increased for the first time since late 2010. Among other evidence of improvement, foreclosures dropped significantly in California and other Western states last month, a continuation of a trend that began last fall, according to data firm ForeclosureRadar. A separate report by the nation's mortgage bankers released Wednesday showed that national delinquencies and foreclosures hit a four-year low, driven largely by declines in states in the West.

SACRAMENTO - Sensitive personal information for more than 700,000 people who provide or receive home care for the elderly and disabled may have been compromised when payroll data went missing in the mail, state officials revealed Friday night. The breach occurred whenHewlett-Packard, which handles the payroll data for workers in California's In-Home Supportive Services program, was shipping information including Social Security numbers to an office in Riverside last month. The package arrived damaged and incomplete.

The PSA test should be abandoned as a prostate cancer screening tool, a government advisory panel has concluded after determining that the side effects from needless biopsies and treatments hurt many more men than are potentially helped by early detection of cancers. At best, one life will be saved for every 1,000 men screened over a 10-year period, according to the U.S. Preventive Services Task Force. But 100 to 120 men will have suspicious results when there is no cancer, triggering biopsies that can carry complications such as pain, fever, bleeding, infection and hospitalization.

Los Angeles police will not pursue through the courts scores of motorists with unpaid tickets from the city's defunct red-light camera program. The city Police Commission voted this week to end its contract with the company that operated L.A.'s cameras until they were shut off last summer. And authorities are now planning to reassign a small group of officers who regularly appeared in court to testify in contested photo enforcement cases. With the cancellation of the contract, officers will no longer have easy access to the photo and video evidence that courts require.

High price,poor product If you can't buy 'em, beat 'em. That could be the motto for Steven Cohen , the hedge-fund billionaire and runner-up in the bidding for the Dodgers. The San Diego Padres are up for sale, and Cohen is thought to be one of at least five potential buyers cleared by Major League Baseball to review the team's confidential financial data. Cohen already owns a small stake in his hometown New York Mets, but the majority owners of the Mets appear to have staved off the legal and financial distress that might have enabled Cohen to buy them out completely.