Flashbacks in those who have used psychedelics are a poorly understood phenomenon. It is thought that neurological changes may lead to the temporary return of an LSD-like state, but this theory is not well-researched.
Yes, It can give you flashbacks, Flash backs can occur at any time after you take acid it could even happen 25+ years later in your life.
Yes, they occur naturally when something stimulates your brain to remember past experiences
Flashbacks.
geologic changes occur suddenly
Brain wave
geologic changes occur suddenly
Suddenly builds up
Acute Injuries A+.
may occur suddenly from lifting, twisting, or direct injury, but more often it will occur from
solar flare
They are called the prominence.
It forms a giant wave