Stanford scientists have identified a possible new culprit in the development of Alzheimer's disease and other brain disorders, and the finding may create new avenues for understanding, and maybe preventing, cognitive decline in old age.

The bad news is that we're still fat. But we're not any fatter than last year, a new report shows.

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Maine is the 23rd most obese state in the country, according to a new national report.

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Insurers and the Obama administration are racing to sign Hispanics up for coverage under the federal health overhaul, eager to reach a segment of the U.S. population that offers huge opportunity but also presents many challenges. Read more here.

Lack of shut eye can spur the munchies and, subsequently, pack on the pounds. Now a new study from UC Berkeley reveals the mechanisms in the brain that may be responsible. Read more here.

Obesity rates among preschoolers are dropping in states across the country for the first time in several years, according to a new government analysis of the height and weight of children 2 to 4 years old in federally funded maternal and child-nutrition programs. For more information, click here.

A Brunswick organization is launching a program that aims to provide children in need with nutritious food. The Mid Coast Hunger Prevention Program on Monday is announcing the launch of its "Backpack Program," which will serve about 200 children from eight elementary schools along Maine's midcoast. For more information, click here.

A new government report is the first evidence of a national decline in childhood obesity, health officials said Tuesday. In 18 states, there were at least slight declines in obesity for low-income preschoolers. Read more here.

Women and children who eat fish caught in California's lakes and reservoirs should choose rainbow trout and small brown trout over bass, carp and large brown trout to avoid high mercury levels, the state Environmental Protection Agency said Thursday.

Food safety advocates say they are alarmed by a lack of information being disseminated about the spread of a nasty intestinal illness that has sickened nearly 400 people nationwide, including cases in two states that have been linked to prepackaged salad. Read more here.