Laboratory evidence indicated that cannabidiol may reduce THC clearance, increasing plasma concentrations which may raise THC availability to receptors and enhance its effect in a dose-dependent manner.[24][25] In vitro, cannabidiol inhibited receptors affecting the activity of voltage-dependent sodium and potassium channels, which may affect neural activity.[26] A small clinical trial reported that CBD partially inhibited the CYP2C-catalyzed hydroxylation of THC to 11-OH-THC.[27]
That report did not include hemp-based CBD; it covered only CBD products that included THC derived from marijuana, also known as medical marijuana. (Remember: it's the THC that makes users high and it's why medical marijuana is still illegal in many states.) Abrams says, however, that in vitro and animal studies do suggest many potential therapeutic applications for hemp-based CBD.
Medterra 500 mg CBD Tincture Isolate (tasteless) micro dosing is working for me! I was drawn to this company because its grown in Kentucky, close to home. After this 60 yr old lady was diagnosed with Fibromyalgia some 20+ yrs ago Im having less muscle pain, increased energy, breathing better, & more restful sleep. Wish I had known about this product years ago! Getting ready to place my 2nd order.

Rosenberg, Tsien, Whalley, and Devinsky (2015) have recently reviewed the role of cannabinoids in epilepsy; highlighting proconvulsive effects (e.g., THC) and anticonvulsive effects (e.g., cannabidiol). The mechanisms of action of cannabidiol in epilepsy have also been recently reviewed (Reddy & Golub, 2016). Much work with SCB in epilepsy has focused on WIN55,212-2. WIN55,212-22 potentiated the effects of four antiepileptic drugs (carbamazepine, phenytoin, phenobarbital, and valproate) in mice (Luszczki et al., 2011). However, the authors also caution that impairment of motor coordination, long-term memory, and a reduction of skeletal muscular strength was also seen with these combination treatments. The same group found WIN 55,212-2 in combination with lamotrigine, pregabalin, and topiramate and second- and third-generation anticonvulsants gabapentin, levetiracetam but not lacosamide, oxcarbazepine, pregabalin, and tiagabine to potentiate anticonvulsant effects in mice (Florek-Luszczki et al., 2015; Luszczki, Wlaz, Karwan, Florek-Luszczki, & Czuczwar, 2013). 

Thank you. I am 81 and started the CBD drops night and morning. I sleep better and no longer suffer the excruciating pain from diverticulitis. I saw somewhere that for my asthma I need the THC so got some (totally illegal here in South Africa). I think it is helping. The diagnosis of COPD was made some years ago and as a health psychologist I do all I can to remain healthy for my 97th birthday!! (Both my grandmother and greatgrandmother did so I believe I will too).
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