ScienceDaily: Top Environment News |
| Secondhand marijuana smoke may damage blood vessels as much as tobacco smoke Posted: 16 Nov 2014 06:43 AM PST Secondhand marijuana smoke may have similar cardiovascular effects as tobacco smoke. Lab rats exposed to secondhand marijuana smoke had a 70 percent drop in blood vessel function.       |
| Posted: 15 Nov 2014 05:31 AM PST A novel looping mechanism that involves the end caps of DNA may help explain the aging of cells and how they initiate and transmit disease, according to new research.  |
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