Cell signaling pathways: Video, Causes, & Meaning | Osmosis

Kunal Sood, MD on Instagram: "Magnesium and Sleep: What the Science Says Did you know magnesium helps calm the nervous system for better sleep? It acts as a natural NMDA blocker and GABA activator, helping the brain relax. 🧠 How it works → Magnesium normally sits in the NMDA receptor channel, blocking calcium entry at rest. This prevents excess excitatory signaling. It also supports GABA-A receptor activity, tipping the balance toward inhibition and calm. 🌙 What studies show → In older adults