Scientists have discovered what may be an important new risk factor for heart disease. And here's the surprising twist: The troublesome substance seems to be a waste product left behind by bacteria in our guts as they help us digest lecithin — a substance plentiful in red meat, eggs, liver and certain other foods.
Doctors say the research further illustrates the complicated relationship we have with the microbes living inside us, and could lead to new ways to prevent heart attacks and strokes.
On Wednesday, the U.S. Supreme Court heard oral arguments in the final cases of the term, which began last October and is expected to end in late June after high-profile rulings on gay marriage, affirmative action and the Voting Rights Act.
Audio from Wednesday's arguments will be available at week's end at the court's website, but that's a relatively new development at an institution that has historically been somewhat shuttered from public view.
Former Arizona Rep. Gabrielle Giffords and her husband, Mark Kelly, at an April 16 ceremony naming a Capitol Hill conference room for her aide Gabe Zimmerman. Zimmerman died in the same Tucson, Ariz., shootings that Giffords wounded.
After the Senate failed to pass bipartisan legislation to expand background checks for gun purchases, the superPAC created by shooting victim and former Rep. Gabrielle Giffords and her husband, onetime astronaut Mark Kelly, vowed to remind voters of which lawmakers voted against the plan.
Originally published on Wed April 24, 2013 7:30 pm
The redesigned U.S. $100 bill will begin appearing after October with new security features that will make it "easier for the public to authenticate but more difficult for counterfeiters to replicate," the U.S. Federal Reserve said Wednesday.