Question

why we only take 5% brain in use in lifetime how we overcome

Answer 1

There is not such thing that we use only 5% of our brains. Different part of our brain acts in different situation.
For example,the prefontal Cortex awakens when we are stressed or willing to do something.

Answer 2

we only use 5%of brain in our life it's Tru Fr Some people and some use less than that like Albert Einstein used 13% he use to think everytime Fr every thing more than normal person we can overcome on it by thinking always and Fr every thing deeply