Washington, April 24 : A new study conducted at the Carilion Clinic in Roanoke, VA, has found that majority of ordering physicians lack knowledge of CT-related radiation exposure and its associated risks.

"More than 100 surveys were completed by physicians from various specialties who order CT scans at a tertiary-care teaching hospital," said Jeremy McBride, MD, lead author of the study.

Washington, Apr 24: Changing bad habits such as smoking, even at an older age, could positively impact a senior''s health later in life, a new study has found.

The research linking bad habits such as smoking and the direct impact on a senior''s health, was conducted on over 2,000 seniors who were current smokers, past smokers and had never smoked.

All three groups were compared to show a link between smoking and the speed at which participants walked.

Dhaka - Activities at Bangladesh's prime Chittagong port resumed Friday after the authorities dredged up the Karnaphuli channel blocked by a vessel that sank on Tuesday, officials said.

"Movements of ships between the port and the outer anchorage resumed in the morning after the channel was deepened and widened through dredging," an official at the Chittagong Port Authority said.

Washington, Apr 24 : `The Kills' star Alison Mosshart has had to cut short a gig in Colorado after she was taken ill with altitude sickness.

Mosshart, 30, who was working on her side project `The Dead Weather' with rocker Jack White, had to scrap a gig at the Fox Theatre in Boulder, Colorado on April 22 halfway through after she was left short of breath, reports Contactmusic.

Warsaw  - Indian President Pratibha Patil began a visit to Poland on Friday for meetings hoped to boost economic ties and anti-terrorism efforts between the two countries.

Patil met with Polish President Lech Kaczynski and discussed economic cooperation amid growing Polish-Indian business and trade.

On the agenda were also relations with Afghanistan, Pakistan and China, reported the Polish Press Agency PAP.

Washington, Apr 24: Denzel Washington is in talks to star in the Tony Scott-directed drama ‘Unstoppable’.

The project would see Washington playing an experienced engineer who jumps in a locomotive with a young conductor to chase down a runaway train carrying a cargo of toxic chemicals.

Mark Bomback has penned the script for the film, which is loosely inspired by a true event.

Julie Yorn, is producing ‘Unstoppable’ with Scott, who will reunite with Washington for their fifth film together.