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HALIFAX - The unseasonably hot May sun was beating down on a panting Kim Smith as she willed her legs up Citadel Hill — a climb in the annual Halifax Blue Nose marathon that even avid runners loathe.

SEATTLE - Teaching parents to switch channels from violent shows to educational TV can improve preschoolers' behaviour, even without getting them to watch less, a study found.

EDMONTON - Calgary Dr. Ron Bridges, cited by his peers as possibly being behind a queue-jumping scheme at a colon cancer-screening clinic, will get a chance to tell his side of the story at a public inquiry in Alberta this week.

OTTAWA - An Ontario man is fighting to change what he calls a pregnancy gap in Canada's immigration system. Carey McGregor met his wife in Taiwan in 2005, and married in Canada two years later.

Dear Dr. Roach: I’m going to be honest: I do drink a lot on the weekends.

WASHINGTON - Better cancer drugs that zero in on a tumour with fewer side effects. A universal flu vaccine that could fight every strain of influenza without needing a yearly shot.

NEW YORK, N.Y. - Health officials say synthetic marijuana has been linked to kidney damage in some teens and young adults. Sixteen people who smoked synthetic marijuana were hospitalized with kidney problems last year in six states.

TORONTO - Children with a lazy eye are often "patched" — their good eye is covered for a period of time, forcing the so-called bad eye to work harder, thereby improving its visual acuity.

NEW YORK, N.Y. - About 1 in 9 younger women have used the morning-after pill after sex, according to the first government report to focus on emergency contraception since its approval 15 years ago.

Protein has many roles in the body — it’s the building block of muscle, bone, hair, skin and nails and it also helps to ensure a healthy immune system.