TED Radio Hour: Prevention

In this week's show, TED speakers challenge the inevitable and explore what to do today to prepare ourselves for tomorrow.

After smashing his basement window to retrieve his misplaced keys, Daniel Levitin wondered, did stress prevent him from making a better choice? And how could he better prepare for these situations?

Since 1976, there have been two dozen Ebola outbreaks -- yet there is still no vaccine. Epidemiologist Seth Berkley says vaccine development is the key to prevent future infectious disease outbreaks.

Many think there's no real way to prevent Alzheimer's, but writer and neuroscientist Lisa Genova is hopeful. She says certain behaviors can reduce our risk or even slow the disease after diagnosis.

A simple vaccine can prevent a disease like polio. But can we stop something like depression before it develops? Neuroscientist Rebecca Brachman says it's not out of the realm of possibility.

We've all felt regret over poor decisions. Behavioral Economist Daniel Goldstein wants to change that. He builds tools that help us imagine our futures, so we can make better decisions in the present.