Cannabis during the menopause: CBD, hormones & studies

Menopause and the endocannabinoid system

The menopause (on average at the age of 51) and the perimenopause are characterized by falling oestrogen and progesterone levels. These hormonal changes directly affect the endocannabinoid system: oestrogen regulates the synthesis of anandamide (AEA) and the density of CB1 receptors. As oestrogen levels fall, anandamide levels also fall – which explains ECS-associated menopause symptoms.

Direct link: oestrogen stimulates FAAH (anandamide degradation enzyme) – actually paradoxical, but it dynamically regulates AEA levels. In the menopause, oestrogen falls → FAAH activity fluctuates → anandamide dysregulation → mood, sleep and temperature regulation problems.

Most common menopause symptoms and ECS connection

Study situation: Cannabis and menopause

Menopause-specific cannabis studies are rare – most data come from surveys:

Dahlgren et al. 2022 (menopause): Survey study, n=232 perimenopausal/menopausal women, cannabis users. 79 % reported symptom relief; most frequently improved: sleep (67 %), anxiety (46 %), mood (41 %), hot flushes (30 %).

SWAN study (longitudinal, Hill 2017): Decreasing anandamide levels correlate with menopausal symptom severity. ECS modulation as a therapeutic target mechanistically justified.

Preclinical: estrogen increases CB1 density in limbic regions. Estrogen deficiency = less CB1 in amygdala = increased anxiety response. CBD increases functional CB1 sensitivity indirectly via FAAH inhibition.

CBD for hot flushes: The thermoregulation mechanism

Hot flushes are caused by dysregulation of the hypothalamic thermoregulation center when estrogen levels drop. CB1 receptors in the hypothalamus are directly involved in thermoregulation:

– Anandamide has a vasodilating effect and modulates heat release
– CBD via FAAH inhibition → increased anandamide → more stable thermoregulation
– TRPV1 in the hypothalamus: CBD desensitization can reduce heat sensitivity

Clinical data on hot flashes specifically is limited, but 30% self-reduction from Dahlgren 2022 is an indication.

Practical approach: cannabis during the menopause

During the day (mood, anxiety, joint pain): CBD 50-100 mg daily, sublingual oil or capsule

Evening (sleep, hot flashes at night): CBD 150 mg + low THC (2.5-5 mg) – THC component for deeper sleep; moderate REM suppression at low THC doses

Local (vaginal dryness): CBD lubricants or suppositories – CB1 in vaginal epithelium, local lubrication, no systemic effects

FAQ: Cannabis during the menopause

Summary

Menopause and ECS are directly linked by the oestrogen-anandamide connection. Estrogen deficiency → anandamide dysregulation → hot flashes, insomnia, anxiety. CBD via FAAH inhibition can stabilize ECS tone. Survey data (Dahlgren 2022): 79 % symptom relief. Clinical RCTs are lacking. CBD not a substitute for HRT, but a useful supplement for sleep, anxiety and joint pain. Cannabis for sleep disorders and cannabis for anxiety for the most common menopausal comorbidities.