Peter Attia· MD
in general it just tends to be a signal to noise enhancer and so for the non-engineering types out there no problem signal to noise just imagine I'm talking right now and there's a lot of static in the background there are two ways for you to be able to hear me more clearly we can reduce the static or I can increase the Fidelity the the volume and the clarity of what I'm saying okay um for instance and that's really what acetylcholine does