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Home » What Brain and Sperm Share and Why Care: Dr. Devra Davis (Transcript)

What Brain and Sperm Share and Why Care: Dr. Devra Davis (Transcript)

Full text of epidemiologist Dr. Devra Davis’ talk: ‘What Brain and Sperm Share and Why Care’ at TEDxJacksonHole conference.

Notable quote from this talk:

‘Poor cellphone reception, weak bars? Don’t use your phone. It can give you 10,000 times more exposure than when you have a strong signal.’


Dr. Devra Davis – American epidemiologist

I’m here to talk to you about something that at first may sound like a Saturday Night Live routine, but it’s really not. It’s a matter that merits the most serious attention. Two of the fastest, fastest working and fastest growing parts of the body: the brain and sperm. But what they have in common is something on which the future of our species depends.

How many of you know that one in six American couples is unable to have a child when they want to? How many of you know that last year the birth rate in this country dropped the most that it ever has in recent history, according to the CDC, 3% in a single year?

Now, I want to let you in on a dirty secret. Phones are not tested in the way they are used. They’re tested in a holster, away from the body.

You may remember the diesel engine scandal, Volkswagen engines, which were revealed to be rigged so that when the engine was hooked up to a computer, it automatically reduced the emissions. And as a result, when the engines were running in the real world, they emitted a lot more pollution. The results of that are evident in European cities today, where you’ve got smoke and pollution because those cars are on the road.

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