Usia Bertambah, Ini Kunci Agar Terhindar dari Pikun

Referensi: 

Is Stress Ruining Your Memory? By Dr. Mehmet Oz and Dr. Mike Roizen, MDs, newsmax.com

Water and Brain Function - How to Improve Memory and Focus, http://www.waterbenefitshealth.com/water-and-brain.html

Obesity alters brain structure and function, https://www.theguardian.com/science/neurophilosophy/2016/nov/23/obesity-alters-brain-structure-and-function

The Top 7 Mental Benefits of Sports, http://www.healthline.com/health/mental-benefits-sports#Overview1

What happens in the brain when you learn a language? https://www.theguardian.com/education/2014/sep/04/what-happens-to-the-brain-language-learning