But Why: A Podcast for Curious Kids
Why do people get older?
Sep 22, 2023
Why do people age? Dr. Suvi Neukam explains the science behind aging, including why hair turns gray, why wrinkles form, and why veins stick up as people age. Additionally, the podcast explores why older people get shorter and the importance of oxygen for older adults. The hosts also talk about why leaves change color in the fall and promote 'But Why Adventures Northeast Nature'.
26:39
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Quick takeaways
- The aging process is influenced by factors such as DNA damage, telomeres getting shorter, and lifestyle choices.
- Hair color changes with age due to a decrease in melanin production influenced by factors like sun exposure and genetics.
Deep dives
Why do we change as we get old?
As we age, our bodies change due to various reasons. One main reason is related to our DNA. Over time, our DNA, which acts as the instructions for our bodies, can become damaged by things like chemicals, pollution, and sun exposure. This can lead to our bodies not functioning as well as they used to. Another theory suggests that a part of our DNA called telomeres gets shorter over time, and this can contribute to the aging process. Additionally, factors like lifestyle choices, such as exposure to harmful substances and lack of proper nutrition, can also affect how we age.
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