Nicotine may be addictive, but it can help boost memory and learning, a new study suggests. In a research done by scientists from the Institute of Psychiatry at King's College London, the findings showed that the increase in concentration felt by smokers could help fight dementia.

Cyberbullying is on the rise with methods becoming meaner, including posting photos and videos on social networking websites. A report by the University of New Hampshire's Crimes Against Children Research Center said the number of young Americans between the ages 10 to 17 who experienced online harassment has gone up by 50 percent from 2000 to 2005.

The blog that caught the attention of Silicon Valley CEOs is calling it quits. 'Fake Steve Jobs' is moving onto a new job and Hollywood. The blog, "The Secret Diary of Steve Jobs" is shutting down after its author said he no longer wanted to make fun of the controversial CEO of Apple. Daniel Lyons, a former Fortune magazine editor, said he's heading to Newsweek and will be blogging under his own name.

A nationwide ban on smoking tobacco in enclosed places began here Tuesday, but Dutch cafes and restaurants will permit patrons to smoke marijuana inside their premises. Some 200 inspectors of the Food and Consumer Product Safety Authority will ensure compliance to the ban by cafes across the country. The inspectors have been trained to detect tobacco and marijuana, which is allowed in licensed coffee shops.

A Texas couple has given birth to quintuplets at a Phoenix hospital nationally known for its successful multiple-birth deliveries. Three girls and two boys, who are expected to debut in Houston in August, were delivered last Thursday to 33-year-old mother Ellen Howell. Doctors at the Banner Good Samaritan Medical Center delivered the five babies via elective caesarean section within three minutes of each other. Though they arrived nine weeks early, each weighed about two pounds and appear healthy.