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Electronic cigarettes are being marketed as a healthier alternative to tobacco cigarettes, but while the use of e-cigarettes is skyrocketing, poisonings related to the devices are also on the rise. Danielle Nottingham reports from Los Angeles

Electronic cigarettes are being marketed as a healthier alternative to tobacco cigarettes, but while the use of e-cigarettes is skyrocketing, poisonings related to the devices are also on the rise. Danielle Nottingham reports from Los Angeles.

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For decades, sex differences in medical research have not been addressed

For decades, sex differences in medical research have not been addressed. Dr. Jon LaPook and Dr. Paula Johnson, director of the Connors Center for Women's Health at Brigham and Women's Hospital, in Boston, talk to the "CBS This Morning: Saturday" co-hosts about medical issues that are especially important for women. For more information, visit Charting the Course: A National Policy Summit on the Future of Women’s Health. Also, to watch a webcast of the summit, click here.

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A massive leak from a Duke Energy waste pond in February coated a stretch of the Dan River from Virginia to North Carolina with sludge containing chemicals known to cause cancer

A massive leak from a Duke Energy waste pond in February coated a stretch of the Dan River from Virginia to North Carolina with sludge containing chemicals known to cause cancer. Now a federal grand jury will begin hearing evidence on whether North Carolina regulators looked the other way when toxic coal ash leaked from Duke Energy plants. Mark Strassmann reports.

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