text: After a while, some of this recovers. So rather than having a head injury, it is better to prevent a head injury. That is the main message of this talk. So ಆಗಲೇ ಬಾರದು ತಲೆಗೆ ಪೆಟ್ಟು ಆಗಲೇ ಬಾರದು. So simple ಏನು?