Ce produit n'est pas destiné à diagnostiquer, traiter, guérir ou prévenir toute maladie. Ces déclarations n'ont pas été évaluées par la Food and Drug Administration.
Ces informations sont fournies à titre éducatif uniquement et ne remplacent pas un avis médical professionnel, un diagnostic ou un traitement. Consultez toujours votre professionnel de santé avant d'utiliser des plantes, surtout si vous êtes enceinte, allaitez, prenez des médicaments ou avez une condition médicale.
Hemp leaf exerts analgesic effects primarily through cannabinoids interacting with the endocannabinoid system (ECS). CBD modulates CB1 and CB2 receptors indirectly, reducing inflammatory signaling and altering pain transmission pathways. Terpenes like beta-caryophyllene provide additional anti-inflammatory action via CB2 receptor activation. The ECS regulates pain perception, inflammation, and immune response throughout the body. Evidence Level: C (preliminary clinical evidence and traditional use support).
Can hemp leaf interact with prescription medications?
Yes, hemp leaf and CBD can interact with medications metabolized by cytochrome P450 enzymes, particularly CYP3A4 and CYP2C19. CBD inhibits these enzymes, potentially increasing blood levels of drugs like warfarin, antiepileptics, antidepressants, and benzodiazepines. CNS depressants may produce additive sedative effects when combined with THC-containing preparations. Always consult a healthcare provider before combining hemp products with prescription medications. Evidence Level: C.
What is the recommended dosage for hemp leaf?
Hemp leaf dosage varies by preparation and legal jurisdiction. For CBD extracts, typical adult doses range from 10-50mg daily for anti-inflammatory and pain-relieving effects. Traditional Ayurvedic Bhang preparations use whole-leaf formulations at varying potencies. Legal restrictions apply in many regions, and CBD-only products are more widely available than whole-leaf preparations. Consult local regulations and a qualified healthcare provider for personalized dosing guidance. Evidence Level: C/Traditional.
Is hemp leaf safe during pregnancy and breastfeeding?
No, hemp leaf is considered unsafe during pregnancy and breastfeeding. Cannabinoids cross the placenta and pass into breast milk, potentially affecting fetal and infant brain development. Research suggests possible risks including low birth weight and neurodevelopmental concerns. THC-containing preparations pose additional cognitive risks. Pregnant and nursing individuals should avoid all hemp and cannabis products. Evidence Level: C.
What is hemp leaf used for in traditional medicine?
Hemp leaf has centuries of use in Ayurvedic medicine as Bhang and in traditional systems worldwide. Primary applications include pain relief, digestive support as a tonic, anti-inflammatory purposes, and spiritual or religious ceremonies. In Ayurveda, Bhang is classified as an analgesic and digestive aid. Modern use focuses on CBD-rich preparations for inflammation, pain management, and anxiety. Medicinal preparations differ from psychoactive cannabis strains. Evidence Level: C/Traditional.
Can hemp leaf cause a positive drug test result?
Yes, hemp leaf products can trigger positive drug tests. Legal hemp contains trace THC (typically under 0.3%), but cumulative use may produce detectable THC metabolites in urine or blood. Standard drug tests cannot distinguish between hemp-derived and marijuana-derived THC. CBD isolate products reduce risk, but cross-contamination during manufacturing remains possible. Individuals subject to workplace drug testing should exercise caution with all hemp products. Evidence Level: C.
Fiche d'information compilée à partir de PubMed
Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.
Compilé à partir de 30 articles PubMed · modèle : gemma4:31b
Résumé
Cannabis sativa is an ancient multipurpose plant used medicinally and recreationally for thousands of years [PMID:33332000, PMID:35095829]. Its bioactivity is primarily attributed to cannabinoids and terpenes [PMID:32668669, PMID:39816045].
Contexte
Cannabis sativa is an herbaceous plant and one of the oldest medicinal plants in the world [PMID:32668669, PMID:34066753]. It is a multipurpose species used for the production of fiber, food, and drugs [PMID:35095829, PMID:33373624].
Usages traditionnels
Historically, C. sativa has been used in ethno-medicines and pharmacotherapy for rheumatism, epilepsy, asthma, skin burns, pain, management of sexually transmitted diseases, difficulties during child labor, postpartum hemorrhage, and gastrointestinal activity [PMID:35268790].
Composés actifs
The plant contains over 500 chemical compounds [PMID:33332000, PMID:33537933]. Key constituents include phytocannabinoids (such as $\Delta$9-tetrahydrocannabinol (THC) and cannabidiol (CBD)), aromatic terpenes, non-cannabinoid phenols, flavonoids (including cannflavins), and alkaloids [PMID:33332000, PMID:34066753, PMID:33681553].
Mécanisme d'action
Phytocannabinoids work by binding to cannabinoid receptors and other receptor systems [PMID:33332000]. Some effects are associated with the 'entourage effect,' where bioactivities are enhanced through the interaction of THC, CBD, terpenes, and flavonoids [PMID:33681553].
Preuves cliniques
Preuve CChronic Pain
Indicated as a therapeutic compound for pain [PMID:33332000]; may block or inhibit the transmission of nervous impulses for pain control [PMID:28548193].
Preuve CColorectal Cancer
Cannabinoids and terpenes (e.g., $\beta$-caryophyllene, limonene, myrcene) exhibit antitumor effects by inducing apoptosis and inhibiting cell proliferation and angiogenesis [PMID:37238634].
Preuve CInfectious Diseases
Cannabinoids and terpenes have shown activity against pathogenic bacteria and fungus [PMID:33822478].
Preuve DTransportation Stress (Goats)
Supplementation with 10 g/30 kg body weight of fresh leaves maintained blood parameters (neutrophils, electrolytes, lymphocytes, and hemoglobin) during transit [PMID:38136918].
Preuve COther indications
Indicated for anxiety, epilepsy, nausea, vomiting, and post-traumatic stress disorder [PMID:33332000].
Sécurité et effets indésirables
Misuse may cause deleterious effects on the lungs, immune system, and cardiovascular system [PMID:34867033]. Reported cases of work-related cannabis allergy presenting as dermatitis have occurred [PMID:35411398]. A genotoxicity study in Wistar rats using whole flower extract (up to 2000 mg/kgbw) did not increase revertant bacterial colonies in the Ames test [PMID:39816045].
Grossesse et allaitement
Misuse of marijuana can influence fertility and cause teratogenic effects [PMID:34867033].
Synthèse des preuves
The evidence consists primarily of reviews and editorials (Level C) discussing broad therapeutic potential and chemical composition, with limited specific experimental data (Level D) regarding veterinary applications and genotoxicity.
Sources PubMed
1.PMID: 33332000 (2021) — Constituents of Cannabis Sativa. · Advances in experimental medicine and biology
2.PMID: 34066753 (2021) — Cannabinoids, Phenolics, Terpenes and Alkaloids of Cannabis. · Molecules (Basel, Switzerland)
3.PMID: 34503268 (2021) — Cannabinoids and Cancer. · Cancers
4.PMID: 39769053 (2024) — Cannabis sativa: From Plants to Humans. · International journal of molecular sciences
5.PMID: 32668669 (2020) — The Antimicrobial Activity of Cannabinoids. · Antibiotics (Basel, Switzerland)
Aucune monographie gouvernementale directe n'est disponible pour cette plante. Le contenu ci-dessous est généré par IA et n'a pas été vérifié par rapport à une source gouvernementale faisant autorité. Utilisez les liens de recherche pour consulter les sources officielles avant de vous fier à ces informations.
14.PMID: 33373624 (2021) — Nanoparticle-based genetic transformation of Cannabis sativa. · Journal of biotechnology
15.PMID: 33681553 (2021) — Flavonoids in Cannabis sativa: Biosynthesis, Bioactivities, and Biotechnology. · ACS omega
16.PMID: 37360738 (2023) — Challenges and potentials of new breeding techniques in Cannabis sativa. · Frontiers in plant science
17.PMID: 38136918 (2023) — The Effects of Fresh Hemp Leaf Supplementation (Cannabis sativa) on the Physiological and Carcass Characteristics and Meat Quality in Transported Goats. · Animals : an open access journal from MDPI
18.PMID: 39816045 (2025) — Genotoxicity study of Cannabis sativa L. extract. · Toxicology reports
19.PMID: 35268790 (2022) — The Medicinal Natural Products of Cannabis sativa Linn.: A Review. · Molecules (Basel, Switzerland)
20.PMID: 38761520 (2024) — Building a biofactory: Constructing glandular trichomes in Cannabis sativa. · Current opinion in plant biology
21.PMID: 35270065 (2022) — Potential of Industrial Hemp for Phytoremediation of Heavy Metals. · Plants (Basel, Switzerland)
22.PMID: 32906622 (2020) — Industrial Hemp (Cannabis sativa subsp. sativa) as an Emerging Source for Value-Added Functional Food Ingredients and Nutraceuticals. · Molecules (Basel, Switzerland)
23.PMID: 35343144 (2022) — [Cultivation and breeding of industrial Cannabis sativa]. · Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
24.PMID: 28548193 (2017) — [Therapeutic potential of Cannabis sativa]. · Revista medica de Chile
25.PMID: 31084880 (2019) — Terpenes in Cannabis sativa - From plant genome to humans. · Plant science : an international journal of experimental plant biology
26.PMID: 37238634 (2023) — Antitumor Effects of Cannabis sativa Bioactive Compounds on Colorectal Carcinogenesis. · Biomolecules
27.PMID: 39219599 (2024) — Cannabis sativa in veterinary medicine: Foundations and therapeutic applications. · The Canadian veterinary journal = La revue veterinaire canadienne
28.PMID: 34867033 (2021) — Wonder or evil?: Multifaceted health hazards and health benefits of Cannabis sativa and its phytochemicals. · Saudi journal of biological sciences