The ability to become startled is an adaptive behavior that protects us from being injured by a sudden threat, and prepares us for the fight-or-flight response when necessary.
Nevertheless, getting startled too easily can be a sign that something is wrong.
Here's what to do about it.
For the written version with links to references and links to testing, see here:
https://chrismasterjohnphd.substack.com/p/startled-try-glycine
Chris Masterjohn, PhD, is the Founder and Scientific Director of the mitochondria test Mitome.