Educational content for conscious travel and responsible wellbeing Why we’re sharing this At Barefoot Expeditions, we care about experiences that are meaningful — and also safe.In the wellness space, there’s a lot of confusion around “natural” vs “medical,” and people often underestimate one fact: The brain is chemistry.And chemistry has rules. This post is for education only. It is not medical advice and does not encourage or instruct the use of any substance. If you take any medication or have a health condition, professional medical guidance is essential. 1) The brain in simple terms (so you really understand it) Your brain runs on electrical signals and chemical messengers called neurotransmitters.Think of neurotransmitters like traffic signals that regulate how fast or slow your system runs. Three systems matter most in this conversation: Serotonin = regulation and emotional balance It supports mood stability, calm, and emotional processing.Too much serotonin (especially from combinations) can cause a dangerous reaction called serotonin syndrome. Dopamine = motivation and reward-learning It shapes drive, focus, and reinforcement (what your brain learns to repeat). GABA = the brain’s braking system It reduces overactivation and helps with calm and sleep. Health is not “more stimulation.”Health is balance. 2) Prescription medicines: why interactions matter Many common mental-health medications work by adjusting neurotransmitters. For example: SSRIs (example: fluoxetine / Prozac) SSRIs raise serotonin in a gradual, sustained way.Fluoxetine is especially important because it can stay in the body for a long time (fluoxetine + its active metabolite norfluoxetine have long half-lives). That means “stopping for a few days” is not a reliable safety strategy without medical oversight. Sedatives / sleep aids (e.g., benzodiazepines, z-drugs) These act primarily through GABA and can impair coordination, judgment, and breathing—especially when mixed with other sedatives. (This is why clinicians treat combinations cautiously.) 3) Sacred plants and