Here's how to care for an aloe vera of your own. About This Plant. There are hundreds of varieties of aloe plants, which are indigenous to Africa and a few neighboring areas. Aloes come in many varieties that range in size from a few inches to tree heights of 30 to 40 feet, in the case of the kokerboom (or quiver tree).
Marijuana smoke smoke contains a similar range of harmful chemicals to that of tobacco smoke (including bronchial irritants, tumor promoters and carcinogens) (Hoffmann et al, 1975).
Prescription Drugs That Lead To False Positive Marijuana Drug Testing. 1  iMarijuana.com. > Drug Tests. 2  If you have been asked to undertake a marijuana drug test, this piece of information on medications and prescription drugs triggering a false positive drug test would surely be useful to you.