Loneliness is increasingly being recognized not simply as a social issue, but as a major threat to public health. 

Cardiologist and behavioral medicine pioneer Dr. Alan Rozanski says the evidence is now clear: meaningful human connection influences everything from heart health to longevity and emotional resilience. 

In this conversation with Peter Bowes, he explains how social isolation affects the body biologically, why purpose and vitality matter as much as diet and exercise, and why modern life may be weakening our ability to connect. 

He also explores the difference between being alone and feeling lonely, and the complex role technology and social media now play in our relationships. Ultimately, he argues that the strongest predictor of long-term wellbeing may not simply be how long we live — but how vital and connected we feel along the way. 

-- May is National Mental Health Awareness Month, observed annually since 1949 to reduce stigma, provide support, and educate the public on mental wellness -- 

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The Live Long podcast, a HealthSpan Media LLC production, shares ideas but does not offer medical advice.  If you have health concerns of any kind, or you are considering adopting a new diet or exercise regime, you should consult your doctor.