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"Obesity has a greater impact on the blood pressure of teenage girls than on teenage boys, a US study has suggested. High blood pressure is a risk factor for heart disease and stroke in later life. The study of 1,700 teenagers, presented to the American Physiological Society conference, found girls had three times the risk of higher blood pressure."

"Canadians are not fully informed about these risks and may not be taking appropriate precautions to protect themselves," the report says. It's not that Ottawa hasn't identified toxins. In 2006, the government compiled a list of more than 4,300 toxic substances it was evaluating."

"A dizzying array of research suggests alcohol can have both good and bad effects, but making sense of such studies all comes down to who you are and how much you drink. That point was driven across Tuesday with the release of a U.S. study suggesting women who consume three to six alcoholic beverages a week face a small increased risk of breast cancer, but it's not enough of a danger to stop drinking. The study in the Journal of the American Medical Association involved 105,986 nurses who were tracked for three decades."

""National surveys in both the United States and Canada indicate that most people receive enough calcium, with the exception of girls ages nine to 18, who often do not take in enough calcium," Tuesday's report reads. "In contrast, post-menopausal women taking supplements may be getting too much calcium, thereby increasing their risk for kidney stones.""

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"Seagrasses around the world are disappearing, with some species now threatened with extinction. The first global survey of individual seagrass species has found that 14% are at risk of going extinct."

""Our results raise the hypothesis that these risky behaviors, such as experimenting with drugs or having unsafe sex, are actually driven by over activity in the mesolimbic dopamine system, a system which appears to be the final pathway to all addictions, in the adolescent brain," Poldrack said."

The first preservation program I found in Canada.

"Writing in the journal Nature, they say that in western countries, conserving water for people through reservoirs and dams works for people, but not nature."

The researchers say that their study shows that fish larvae "might exhibit a fatal attraction to predators at CO2 and pH levels that could occur in our oceans by 2100 on a business-as-usual scenario of greenhouse gas emissions"