"I don't know the reason that I'm here, " Jason Puracal said.

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He said he believes there's a reason for everything, but "I don't know what the reason is going to be" for the injury.

CNN: SHARE THIS

You know, they don't--the very reason those people didn't leave New Orleans who had to be evacuated later, because they didn't have a bank account, they didn't have a credit card, they didn't have a vehicle.

NPR: Former V.P. Candidate Edwards: Class and Katrina

And the reason that's so important is because we don't know yet whether we're going to need additional money or how much additional money we'll need until we've seen how successful we are at restoring a sense of confidence in the marketplace, that the federal government and the Federal Reserve Bank and the FDIC, working in concert, know what they're doing.

WHITEHOUSE: Presidential Press Conference

They don't know if they affected the electrical service or if the electrical service went sour for some other reason.

CNN: fire

"I don't know that anybody feels elated that I was removed from office for this reason, " he told the programme.

BBC: RELATED BBC SITES

"I don't think we're ever going to fully understand the whys and the how and, you know, the reason for what happened on the 8th of January, " Kelly told reporters.

CNN: Giffords arrives in Houston

Researchers don't know why a plant-based diet seems to have a protective effect, but one likely reason is the nutrient profile of vegetarian diets, which tend to be higher in fiber and lower in saturated fat.

WSJ: Vegetarians Live Longer Than Meat-Eaters, Study Finds