Red Meat (protein), IGF-1 and Cancer: What the Science Actually Shows

There’s a lot of controversy around protein (red meat), IGF-1 and cancer. In this episode we review the most recent science surrounding protein intake, IGF-1, cancer and mortality. 

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Link to study, video and images: https://bit.ly/protein-IGF-1

 

------Show Notes----------------------------

0:00 Intro
0:20 IGF-1 is insulin-like growth factor 1. 
0:45 The paper states that low protein intake is associated with a major reduction in IGF1, cancer and overall mortality in ages 65 and younger. 
1:43 The data set for the study is small, making relative risk appear to be worse.
2:20 Low levels of IGF-1 are as bad as having chronically elevated levels of IGF-1. 
3:00 IGF-1 increases as much as 20-fold during exercise. 
8:15 IGF-1 is increases are triggered by the brain. 
8:45 If testing IGF-1, you may also want to test the relationship with binding protein. 
10:50 Low levels of IGF-1 correlate with chronic disease. 
12:30 IGF-1 is neuroprotective, through repair processes and preventing chronic neuroinflammatory processes. 
12:56 IGF-1 mediates the expression and release of the protective molecule, nitric oxide.  
 14:30 Your protein intake should match your activity levels. 
15:20 Make exercise the foundation of your life.