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Democrats may win the presidency and the Senate but have almost no chance of winning the House. Only 18 of 435 House seats are considered toss-ups. Why?

Boston is a relatively healthy city, with a high density of physicians and world-class hospitals. But Boston also has some extraordinary differences, both in health indicators and in the drivers of those indicators within its borders.

Open enrollment begins today for plans on the Affordable Care Act’s health insurance exchanges.

The health challenges caused by obesity are well-documented, but a new study from George Washington University has shed light on the financial burdens faced by significantly overweight people in America.