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CT tests in pregnancy don't raise kids' cancer risk
CT scans and other nuclear medicine diagnostic tests during a woman's pregnancy do not increase her baby's risk of cancer, new data suggest.

Vitamins' impact on colon cancer minimal: study
Taking multivitamins for colon cancer during and after surgery and chemotherapy does not significantly reduce the risk of recurrence or extend survival, a new study finds.

Non-stick chemicals linked to high cholesterol in kids
The chemicals contained in non-stick cookware and waterproof fabrics may be linked to elevated levels of cholesterol in children and teenagers, new research shows.

Green tea antioxidant claims misleading: FDA
U.S. health regulators have issued warnings to the makers of Canada Dry ginger ale and Lipton tea for making unsubstantiated nutritional claims about their green tea-flavoured beverages.

Splints equal to casts for kids' wrist breaks
Wrist fractures in children can be as effectively treated with splints as with casts, suggests a new Canadian study.

Faster vaccine output needed: WHO official
The vaccine used to contain the recent swine flu pandemic was effective, but health authorities will need to ramp up the speed and volume of production during the next global outbreak, a World Health Organization official says.

VIDEO: Astronauts' exercise slows aging
Hitting the gym helps slow the aging process in space, as well as on Earth, Canadian scientists have found.

Alta. hospital delay due to economy: minister
Alberta's health minister says the construction of a hospital east of Edmonton is just the latest example of medical projects being put on hold because of the economic downturn.

Japanese researcher wins prize for stem cell work
A Japanese researcher who found a way to give mature cells certain characteristics of embryonic stem cells, a process scientists say could eventually lead to cures for spinal cord injuries and other ailments, has been awarded the Balzan Prize for biology.

Hair shows chronic stress link to heart attacks
Chronic stress plays an important role in heart attacks, according to an Israeli-Canadian study of stress hormone levels in hair.

Asthma 'spike' looms as school year nears
With the new school year around the corner, parents of asthmatic children are bracing for the "September spike."

Sugar won't quell infants' pain: study
Giving sugar to infants to ease their pain after a blood test may change their facial expressions but not necessarily the pain signals in the brain or spinal cord, a new British study suggests.

Legionnaire's hid in compost: MDs
A gardener contracted a rare case of legionnaire's disease through a cut in his hand while handling compost, British doctors report.

Bone drugs may raise throat cancer risk: study
People who take bone-strengthening drugs for several years may have a slightly higher risk of esophageal cancer, a new study suggests.

McDonald's customers warned of hep A case
A case of hepatitis A has been confirmed in a food handler at a McDonald's restaurant in Lethbridge, Alta.