Mortality and obesity rates higher among lonely people, says The Naked Scientist

Redi Tlhabi's guest, Chris Smith, popularly known as The Naked Scientist, answered varied questions posed by listeners on anything science-related from the body's production of iron to the link between loneliness and death..

Listen to the question-and-answer session below:

Loneliness and social withdrawal seem to be linked to increased illness because you shift your profile of your immune system.

Chris Smith, populary known as The Naked Scientist

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