Hector Garcia

According to researcher Owen Schaffer of DePaul University, the requirements for achieving flow are:
Knowing what to do
Knowing how to do it
Knowing how well you are doing
Knowing where to go (where navigation is involved)
Perceiving significant challenges
Perceiving significant skills
Being free from distractions1

Presented with new information, the brain creates new connections and is revitalized. This is why it is so important to expose yourself to change, even if stepping outside your comfort zone means feeling a bit of anxiety.

The American Institute of Stress investigated this degenerative process and concluded that most health problems are caused by stress.