Researchers studying why arteries stiffen in postmenopausal women have found a specific chemical cofactor that dramatically improves vascular function.

Congressman Maurice Hinchey (D-NY), Congresswoman Diana DeGette (D-CO) and Congressman Jared Polis (D-CO) today asked President Obama to back stronger environmental and public health standards to protect against the risks of hydraulic fracturing. In a letter, the House members requested the President's support for the Fracturing Responsibility and Awareness of Chemicals (FRAC) Act, which would require the disclosure of chemicals used in the hydraulic fracturing natural gas extraction process. The legislation would also eliminate a special Safe Drinking Water Act exemption for hydraulic fracturing that was established in 2005.

Whether you’re rooting for the Giants or the Patriots, there’s one thing a prudent Super Bowl fan does -- and that’s plan ahead with a sober designated driver. Law enforcement agencies along the Front Range will be increasing DUI enforcement from 6 p.m. Friday, Feb. 3 through 3 a.m. Monday, Feb. 6. During last year’s Super Bowl weekend enforcement period, 303 drivers were arrested for driving under the influence of alcohol or drugs during the 3-day Heat Is On campaign.