Our brains evolved with a “negativity bias,” So writes neuro-psychologist Rick Hanson. While this was useful to our survival as a species, it is not so helpful in today’s world where chronic stress is a problem for many. Luckily, we can shift that bias, thanks to neuroplasticity, the capacity of our brain to change its connections and structure. Learn how to spend just a few minutes doing so. Your “positivity bias” will grow with practice.