Gray hair isn't just for grandparents anymore! More and more young people, especially Millennials and Gen Z, are noticing these silver strands popping up before they hit 40. What's going on here?

We further showed that IGF-1 stimulation of MM cells leads to enhanced expression of IRF4, a known ‘addictive’ factor for MM. This upregulation of IRF4 expression by IGF-1 treatment of MM ...