ω−3 fatty acids (commonly spelled omega-3 fatty acids) are a family of polyunsaturated fatty acids which have in common a carbon-carbon double bond in the ω−3 position.Important nutritionally essential ω−3 fatty acids are: α-linolenic acid (ALA), eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA). For a more complete list, see list of ω−3 fatty acids. The human body cannot synthesize ω−3 fatty acids de novo, but it can form 20- and 22-carbon unsaturated ω−3 fatty acids from the eighteen-carbon ω−3 fatty acid, α-linolenic acid. These conversions occur competitively with ω−6 fatty acids, which are essential closely related chemical analogues that are derived from linoleic acid. Both the ω−3 α-linolenic acid and ω−6 linoleic acid are essential nutrients which must be obtained from food. Synthesis of the longer ω−3 fatty acids from linolenic acid within the body is competitively slowed by the ω−6 analogues. Thus accumulation of long-chain ω−3 fatty acids in tissues is more effective when they are obtained directly from food or when competing amounts of ω−6 analogs do not greatly exceed the amounts of ω−3.

U.S. teens in sprawling counties are twice as likely to drive more than 20 miles per day as teens in compact counties, increasing accident risk, a study said.

The Chinese are looking to weather control to ensure a rain free ceremony. With seven months until the 2008 Olympic Games get under way; the Beijing Meteorological Bureau had developed a method to minimize rain on the day.

Yesterday during the lightning round, Jim Cramer poo-pooed my pick of American Capital Strategies (ACAS). I found it ironic someone called in the day of my blog post. Let's look at Cramer's pick from last year: Cramer's number one growth stock for 2007 is the NYSE Group or NYX. "If you're...

February 14th has been the day to express romantic love in western culture dating back to early Roman times. However, commercially made greeting cards, mass-produced chocolates, sweat-shop lingerie, blood diamonds and imported flowers did not join the tradition until the 20th century.

There are many opinions as to who was the original Valentine, with the most popular theory that it was a clergyman who was executed for secretly marrying couples in ancient Rome. In any event, in 496 A.D., Pope Gelasius set aside February 14 to honor St. Valentine.