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.
In the days since the Boston Marathon bombings, local law enforcement officials have been given high marks for their response to the attack and the coordination among numerous federal, state and local agencies involved.
But at the same time, questions are being raised about the coordination among federal agencies handling intelligence they had about the suspects in the months before the attack.
The town of Meiktila in central Myanmar presents a tranquil scene on a hot April day: A woman presses juice from sugar cane while customers loll around in the midday heat. The town is right in the center of the country, on a broad and arid plain where white cows graze among palm trees and pointy pagodas. It's a bustling trading post on the road between the capital, Naypyidaw, and the country's second-largest city, Mandalay.