A loaded barbell on a dark platform, the moment before a heavy set

Does Heavy Lifting 'Fry' Your CNS? What the Evidence Actually Says

Type “does heavy lifting fry your CNS?” into Google and you’ll get a wall of confident answers. Yes, obviously — that’s why you need 48 hours between heavy sessions. Your central nervous system is a battery, and every hard set drains it. It’s one of the most repeated claims in the gym. It is also, as a mechanistic claim, substantially wrong — and the way it’s wrong matters, because it leads men over 40 to train around a threat that isn’t the real one. ...