Does Marijuana Raise Blood Pressure

1. Does Marijuana Raise Blood Pressure

Marijuana affects the cardiovascular system through its active cannabinoids, primarily THC (tetrahydrocannabinol) and CBD (cannabidiol). Its effects on blood pressure vary depending on dosage, frequency, method of use, and individual health status.

2. Acute (Short-Term) Effects on Blood Pressure

THC-Induced Blood Pressure Increase

THC stimulates the sympathetic nervous system.
This can cause:
- Elevated heart rate (tachycardia)
- Transient rise in blood pressure

Subsequent Blood Pressure Drop

After the initial spike, vasodilation often occurs.
May result in:
- When standing, orthostatic hypotension can cause lightheadedness or fainting.
- Lightheadedness, especially in novice users

3. Chronic (Long-Term) Effects on Blood Pressure

Tolerance Development

Regular users may build tolerance to THC’s acute cardiovascular effects.

Potential Long-Term Risks

Some observational studies suggest:
- Increased risk of chronic hypertension
- Higher incidence of cardiovascular events in long-term users
Possible mechanisms:
- Prolonged sympathetic activation
- Chronic inflammatory stress
- Altered autonomic nervous regulation

4. Cannabidiol (CBD) and Blood Pressure

CBD’s Effects

CBD has non-psychoactive and potentially hypotensive properties.
Effects include:
- Anxiolytic action (reducing anxiety-related BP spikes)
- Peripheral vasodilation

Clinical Implications

CBD may be safer for individuals with high blood pressure.
Could offer therapeutic benefit without THC-related cardiovascular strain.

5. Conclusion

THC-rich marijuana can raise blood pressure acutely, followed by a possible drop.
Chronic use may increase hypertension risk, though more research is needed.
CBD may counteract some cardiovascular effects of THC.
Individuals with hypertension, arrhythmia, or heart disease should consult a healthcare provider before using cannabis.

Does marijuana raise blood pressure

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