I'm often asked what my opinion about a diet or disease is.

Who cares what my or anyone else's opinion is?

Always you care about is what the science says.

What does the best available balance of evidence

published in the peer-reviewed medical literature

have to say right now?

Welcome to the Nutrition Facts Podcast.

I'm your host, Dr. Michael Greger.

Our story today is about an alternative approach

to some of the health problems that bother us

and we start with the unusual powers of garden variety lettuce.

There is a perception that time spent asleep is time wasted

but is widely recognized that inadequate sleep is associated

with multiple acute and chronic conditions

and results in the increased risk of death and disease.

Forced people to go one week with only six hours of sleep a night

you can change expression of 700 genes.

The most dire effect may be endothelial dysfunction.

The endothelium is the thin layer of cells

that covers the internal surface of blood vessels

and is responsible for allowing our arteries to relax

and dilate back open properly.

...