Listen to BBC programs about different stages of life:
Life as a Teenager
Life as an Adult
Life in Middle Age
Life in Old Age
Life after 80
BBC 4 has a streaming Listen Again page and a podcast directory. Subscribing is YouTube-style easy -- you can copy the URL directly, or subscribe via Google Reader/iGoogle or iTunes.
BBC Podcasts Are Worth Listening To
Four Stages Of Life by The Happy Hospitalist.
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