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  1. CBD: Safe and effective? - Mayo Clinic

    Dec 6, 2022 · A prescription cannabidiol (CBD) oil is considered an effective anti-seizure medication. However, further research is needed to determine CBD 's other benefits and safety. CBD is a …

  2. CBD: ¿es seguro y efectivo? - Mayo Clinic

    Dec 6, 2022 · Salud de los consumidores ¿Cuáles son los beneficios del CBD (y es seguro usarlo)? El aceite de cannabidiol recetado se considera un medicamento anticonvulsivo eficaz. Sin embargo, se …

  3. Kratom: Unsafe and ineffective - Mayo Clinic

    Jun 18, 2024 · Kratom is an herbal extract that comes from the leaves of an evergreen tree called Mitragyna speciosa. The tree grows in Southeast Asia. Kratom users can chew the tree's leaves, …

  4. Natural vs. safe: Why the two aren't the same - Mayo Clinic

    Aug 16, 2025 · "Natural" on the label doesn't mean safe in your body. Learn the truth behind the natural health trend and what actually works.

  5. Codeine (oral route) - Side effects & dosage - Mayo Clinic

    Jan 1, 2026 · Description Codeine is used to relieve mild to moderate pain. It belongs to the group of medicines called narcotic analgesics (pain medicines). This medicine acts on the central nervous …

  6. Sildenafil (oral route) - Side effects & dosage - Mayo Clinic

    Feb 1, 2026 · Description Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Sildenafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) …

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  8. Mayo Clinic

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  9. Marijuana - Mayo Clinic

    Aug 15, 2025 · The FDA also has approved a purified liquid form of cannabidiol (Epidiolex). Cannabidiol, also called CBD, is a chemical found in cannabis. Healthcare professionals prescribe this medicine …

  10. Medical marijuana - Mayo Clinic

    May 30, 2024 · But CBD from the hemp plant is legal under federal law. It has less than 0.3% THC. Many states allow THC to be used for medical reasons. Healthcare professionals in those states can …