CHAMPAIGN, Ill. - Excessive Internet usage has been linked to an array of problems, from structural changes in the brain to depression, poor social skills, violent outbursts and sexual promiscuity.

CHAMPAIGN, Ill. - The Internet is changing the way people get their news, but there's little proof that it is fragmenting or polarizing the news audience the way many assume, says professor David Tewksbury , the head of the University of Illinois department of communication.

CHAMPAIGN, Ill. - Real-time, 3-D microscopic tissue imaging could be a revolution for medical fields such as cancer diagnosis, minimally invasive surgery and ophthalmology.

CHAMPAIGN, Ill. - As biofuel production has increased - particularly ethanol derived from corn - a hotly contested competition for feedstock supplies has emerged between the agricultural grain markets and biofuel refineries.

CHAMPAIGN, Ill. -  Illinois in 2006 joined other states in creating a first-person, legally binding consent registry for organ donation.

CHAMPAIGN, Ill. - Food-borne diseases might soon have another warrior to contend with, thanks to a new molecule discovered by chemists at the University of Illinois.

CHAMPAIGN, Ill. - Immigrants arrived by the millions between 1890 and 1920, a surge mostly from eastern and southeastern Europe.

CHAMPAIGN, Ill. - Slashing government funding for Medicaid, food stamps and other programs that serve the poor - while politically popular with some lawmakers and many conservatives - may do more harm than good to the economy and cost taxpayers more in the long run, suggests a report by researchers at the University of Illinois.

CHAMPAIGN, lll. - Miscanthus grasses are used in gardens, burned for heat and energy, and converted into liquid fuels.

CHAMPAIGN, Ill. -  Could peacekeepers actually be a detriment to ending a war and finding long-term peace? - An analysis of conflicts since World War II shows that that's the case more often than not, say two experts on the subject.

CHAMPAIGN, Ill. - A new report by researchers at the University of Illinois offers sobering information about bullying.

CHAMPAIGN, Ill. - University of Illinois professor Huimin Zhao has received a 2012 Guggenheim Foundation Fellowship.

CHAMPAIGN, lll.

CHAMPAIGN, Ill. - Babies who are breastfed exclusively for their first six months of life may be less likely to become picky eaters as preschoolers, according to a recent study of 129 mothers and their children.