Published in the journal Molecular Psychiatry, our study demonstrates that high-potency cannabis leaves a distinct mark on DNA. We also found that these DNA changes were different in people ...

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It has the name Onehunga weed in New Zealand as it was first noticed in this suburb of Auckland. Onehunga weed has finely divided leaves, which may get confused with several other weeds found in the ...

Figure 1: Vegetative grass parts. Illustration updated by Lauren Cooper. Any or all of these vegetative characteristics may be useful to help identify a young grass weed. Usually have long, narrow, ...