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Archive: 09/08/2009

Healthy older brains not significantly smaller than younger brains, new imaging study shows

The belief that healthy older brains are substantially smaller than younger brains may stem from studies that did not screen out people whose undetected, slowly developing brain disease was killing off cells in key areas, ...

Medicine & Health / Neuroscience

created Sep 08, 2009 | popularity 5 / 5 (1) | comments 0

Contraband cigarettes account for 17 percent of all brands consumed by adolescent smokers

Consumption of contraband cigarettes amongst adolescent daily smokers in Canada accounts for 17% of all cigarettes smoked by this age group, and rises to more than 25% in Ontario and Quebec. This behaviour may be undermining ...

Medicine & Health / Health

created Sep 08, 2009 | popularity not rated yet | comments 0

Using insects to test for drug safety

Insects, such as some moths and fruit flies, react to microbial infection in the same way as mammals and so can be used to test the efficiency of new drugs, thereby reducing the need for animal testing. Dr Kevin Kavanagh ...

Biology / Cell & Microbiology

created Sep 08, 2009 | popularity not rated yet | comments 0