10k Science: How exactly do painkillers work? 🧪 Protoxin-II, a newly researched painkiller from UC Davis, blocks pain by binding to sodium channels to close them. Where as morphine acts on receptors that lower the neuron's excitability, so sodium channels open less often. See it in VR here:

How exactly do painkillers work? 🧪 Protoxin-II, a newly researched painkiller from UC Davis, blocks pain by binding to sodium channels to close them. Where as morphine acts on receptors that lower the neuron's excitability, so sodium channels open less often. See it in VR here: