mix weed with tobacco Cannabis isn't the health problem – the people it is A Problem of 'Joint' Use:

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A step change in research is shaking up the way scientists think about plants: they are far more complex and more like us than you might imagine

Surgery If sciatica symptoms do not improve after 6-8 weeks of nonsurgical care, microdiscectomy or other spine surgery may be warranted

The frequency of replacement depends on the type of device and how heavily it is used

Teen e-cig users more likely to smoke tobacco Electronic delivery of nicotine raises rate that high school students turn to combustible products E-cigarettes may tempt kids into trying tobacco