Declining water quality threatens freshwater fish species with extinction
Jun 11, 2009 |
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Increasing urbanisation and more intensive farming are killing New Zealand's freshwater fish species by degrading water quality, says the author of a report published this week by the Ministry for the Environment.
Fish use electric signals to find the right mate
Jun 11, 2009 |
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Electric knifefish, close relatives of the electric eel, navigate and communicate by projecting electric fields around their bodies. Research at University of Toronto is clarifying how this sense has evolved, as well as providing ...
Rosiglitazone does not harm bone healing if combined with metformin in rats
Jun 11, 2009 |
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Taking the diabetes medications metformin and rosiglitazone together reverses the adverse effects on bone of rosiglitazone treatment alone in an experimental model, according to a new study done in rats.
Symptoms of depression in obese children linked to elevated cortisol
Jun 11, 2009 |
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A new study connects abnormalities of the "stress" hormone cortisol with symptoms of depression in obese children, and confirms that obesity and depression often occur together, even in children.
Lap band weight loss surgery reduces teens' risk factors for heart disease, diabetes
Jun 11, 2009 |
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In teenagers, laparoscopic gastric banding surgery for treatment of extreme obesity can significantly improve and even reverse the metabolic syndrome, a new study found.
Nicotine induces prediabetes, likely contributes to high prevalence of heart disease in smokers
Jun 11, 2009 |
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Researchers have discovered a reason why smoking greatly increases the risk of heart disease and stroke. Nicotine promotes insulin resistance, also called prediabetes, which is a risk factor for cardiovascular disease, according ...
