Emotion suppression - This part has long been documented as being a lot more prominent than with other stimulants, which is in-line Using the pointed out emotion-suppressing effects that have been noticed with other stimulants, but specifically methylphenidate and connected compounds. 4F-MPH has a particularly shorter history of recreational use. https://4f-php77886.bloggactivo.com/29773723/5-simple-techniques-for-4f-php-effects