Amphetamine like adderall,vyvanse are weaker because they do not have a methyl group. adding a methyl group to amphetamine makes N-Methylamphetamine. a Methyl group makes it much more potent therefore you need less to get high and it is much more powerful.
for more info go to
https://psychonautwiki.org/wiki/Adderall
https://psychonautwiki.org/wiki/Meth
How can your health triangle become unbalanced? Your health triangle is unbalance by not having one of the following: physical, mental, and social health. ... Describe three(3) characteristics of a healthy person.
An outpatient surgery center, or a clinic that specializes in endoscopy. Possibly a digestive disease facility.