Dr. Lena Vos
Wellness & content review · Mery J Wellness
Lena leads wellness content and editorial review at Mery J, keeping every guide clear, balanced and free of medical overclaiming. She writes on sleep, everyday calm and how to read a Certificate of Analysis.
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Articles by Lena Vos
How long does CBD stay in your system?Half-life, how long effects last, and the separate question of drug tests, explained without the myths.2026-07-18 · 6 min readCBD for pets: what is known, what is not, and how to dose by weightPets have an endocannabinoid system too. Here is a careful, vet-first look at CBD for dogs and cats.2026-07-18 · 6 min readCBN and sleep: separating the marketing from the evidenceCBN is sold as the sleep cannabinoid. The reality is more nuanced, and worth knowing before you buy.2026-07-17 · 6 min readCBD bath and body: how topical and transdermal products differBath bombs, body creams and balms all put CBD on your skin, but they are not all trying to do the same thing.2026-07-16 · 6 min readCBD and medication: what the grapefruit warning really meansCBD can affect how the body processes some drugs through the same liver enzymes as grapefruit. Here is how to be sensible about it.2026-07-15 · 7 min readThe endocannabinoid system explained: how CBD works in the bodyA plain-language tour of the biological network CBD interacts with, and why CBD does not get you high the way THC does.2026-07-13 · 8 min readCBD for sleep: building a simple evening wind-down routineSmall, consistent habits do more than any single product. Here is a calm, repeatable routine.2026-06-01 · 5 min readHow much CBD should I take? A beginner’s dosing guideStart low, go slow , and the simple method for finding your own amount.2026-05-20 · 5 min readUnderstanding cannabinoids: CBD, CBG, CBN and the entourage effectA plain-language tour of the compounds you keep seeing on labels.2026-04-28 · 5 min read