Swedish researchers said that an extra hour of sleep may reduce the likelihood of having a heart attack as most countries, including the United States, shift from daylight saving time to normal standard times.

The extra hour of sleep brought about by shifting of the clocks back to an hour may prevent the risk of a heart attack, compared with the heart attack risks during the first week of DST's implementation in spring, which were higher

The Canadian Blood Services appealed on Friday for more blood donations as its supply dropped by 40 percent in the last two months. As of Thursday the CBS had only two days supply for common blood types, while its normal reservoir is four to six days.

Ron Vezina, CBS director of media relations, said the situation could not be considered a crisis, but it wants to avoid reaching that level of shortage. "We're vulnerable right now... We haven't heard about any surgical or cases being either postponed or delayed, but we've been rationing shipments to the hospitals for long enough now that we think, if things don't turn around soon, that might be inevitable," Vezina told the Canadian Press

Medicare has saved $6 billion this year on its prescription drug program because of its shift to generic medicine for seniors. As a result, spending by Medicare on prescription drugs went down by 12 percent to $44 billion for the fiscal year which ended Sept. 30.

The move towards generics started in January 2006. At that time the Congressional Budget Office forecast by 2008 the entire prescription drug program would cost $74 billion. But official figures show the total cost was about one-third less or only $50 billion

A study released by the Canadian Cardiovascular Congress said the hearts of immigrants are at a higher risk due to stress caused by settling down in a new country.

Through an ultrasound, researchers from the Simon Fraser University in Vancouver compared the narrowing of artery of 618 Canadian residents, which included ethnic groups from China, Europe and South Asia. Of the 618 respondents, 460 were immigrants

A first-ever study found that eating too much fructose can induce leptin resistance and make it easier to become fat.

The new study done with rats showed that consuming too much fructose can create leptin resistance and easily lead to becoming overweight when combined with a high-fat, high-calorie diet