Cannabis FAQs4 min read
Hemp vs Marijuana: One Plant, Two Legal Categories
Hemp and marijuana are not two species. They are one species divided by a legal THC threshold, and that threshold started life as a footnote in a 1976 taxonomy paper.
Cannabis FAQs
Answers to the most commonly asked questions about cannabis.
8 articles in this category
Cannabis FAQs4 min read
Cannabis Drug Testing: Detection Windows and Cutoffs
Standard urine tests do not detect THC. They detect THC-COOH, an inactive metabolite that lingers in fat, which is why the detection window has almost nothing to do with impairment.
Cannabis FAQs4 min read
Cannabis and Reproductive Health: Sperm, Cycles and Timing
The endocannabinoid system participates in sperm function, ovulation and implantation. The human evidence is limited and consistent enough to matter if you are trying to conceive.
Cannabis FAQs4 min read
Cannabis and Memory: What It Impairs, and What Comes Back
Cannabis does not erase memories. It interferes with writing new ones, which is a specific mechanism with a specific recovery profile.
Cannabis FAQs4 min read
Cannabis Addiction: The Numbers Behind Cannabis Use Disorder
Cannabis is addictive for a minority of users and a substantial share of daily users. The honest numbers sit between the two positions people usually argue.
Cannabis FAQs4 min read
THC Potency: Why the Percentage on the Label Misleads You
THC percentage is the number everyone buys on and the least useful figure on the package. It is calculated rather than measured, systematically inflated, and not the same as dose.
Cannabis FAQs4 min read
Vaping vs Smoking Cannabis: Less Harmful, Not Harmless
Vaporising cannabis avoids burning it, which removes a well-characterised set of harms. It is a harm reduction step rather than a safe option, and the EVALI story explains why.
Cannabis FAQs4 min read
Cannabis and Employment: Legal Use Is Not a Defence
The most common and costly misunderstanding about cannabis is assuming that legal use means protected employment. In most places it does not.