The Sun Doesn't Cause Skin Cancer, But Sunscreen Does!

iHealthTube.com
25 Sept 201406:07

Summary

TLDRIn this transcript, Andreas discusses the misconception that sunlight, particularly UVB rays, causes skin cancer. He argues that lack of sunlight and low vitamin D levels are more strongly linked to cancer, noting that people in sunny regions have lower skin cancer rates. He also criticizes the use of sunscreens, stating that they block UVB rays, prevent natural tanning, and contain harmful chemicals that could contribute to cancer. Andreas suggests gradual sun exposure for natural protection and advises against frequent soap use after sunbathing to retain vitamin D.

Takeaways

  • ☀️ Sunlight is not the direct cause of skin cancer; in fact, lack of sunshine may contribute to its development.
  • 🌞 UVB rays, previously thought to be a primary cause of skin cancer, are now believed not to be as harmful as UVA rays according to a new study.
  • 🧴 Sunscreen use can lead to a false sense of security, potentially allowing more UVA rays to penetrate the skin without the body's natural warning signal of burning.
  • 💊 Sunscreen ingredients can be harmful if ingested, yet they are applied to the skin and can be absorbed into the bloodstream, potentially overtaxing the liver.
  • 🦴 Overuse of sunscreen can lead to vitamin D deficiency, which is linked to an increased risk of various types of cancer.
  • 🌡 Regular, moderate sun exposure can help the body naturally produce a tan, which acts as a natural sunscreen and reduces the risk of skin damage.
  • 🌍 Regions with high UV radiation, such as near the equator or high-altitude areas, do not have higher rates of skin cancer, suggesting other factors are at play.
  • 🏙️ Areas with less sun exposure, like London, Norway, and Canada, have higher rates of skin cancer, possibly due to lower vitamin D levels.
  • 🛁 Washing off sunscreen with soap can remove any vitamin D produced on the skin, which is essential for absorption and maintaining healthy skin.
  • 🛡️ The body's natural bacteria on the skin are beneficial and should not be constantly killed off by frequent soap use, which can disrupt skin health.
  • 🛑 It's important to balance sun exposure to avoid sunburn while still allowing the skin to produce vitamin D, which is crucial for overall health.

Q & A

  • What does Andreas claim about the relationship between sunlight and skin cancer?

    -Andreas argues that sunlight, specifically UVB, does not cause skin cancer. Instead, he suggests that lack of sunshine and vitamin D deficiency are linked to an increased risk of skin cancer.

  • According to the transcript, what is the new culprit in causing skin cancer instead of UVB?

    -The transcript mentions a new study that suggests UVA, not UVB, is now considered the culprit in causing skin cancer.

  • Why does Andreas believe that using sunscreen can be harmful?

    -Andreas believes that using sunscreen can be harmful because it may block UVB rays, leading to a lack of tanning and potentially more UVA penetration, which is now considered more harmful. Additionally, he mentions that sunscreens can cause vitamin D deficiency, which is linked to an increased cancer risk.

  • What is the role of tanning in sun exposure according to Andreas?

    -Andreas suggests that tanning acts as a natural protection for the skin against sun damage. It allows the body to stay out in the sun for longer periods without getting sunburned, which is harmful.

  • What is the connection between vitamin D levels and cancer risk as mentioned in the transcript?

    -The transcript states that having normal vitamin D levels can help prevent or reverse 77% of all cancers, according to a study from the University of California.

  • Why does Andreas recommend not washing the skin with soap after sun exposure?

    -Andreas advises against washing the skin with soap after sun exposure because it can remove the vitamin D that has been produced on the skin, which is essential for health and can stay on the skin for up to 48 hours before being absorbed by the body.

  • What are the potential health risks of the chemicals in sunscreens according to the transcript?

    -The transcript suggests that sunscreens contain chemicals and carcinogens that, if ingested, could be extremely dangerous. When applied to the skin, these chemicals can be absorbed into the bloodstream, potentially overtaxing the liver and leading to the development of intrahepatic gallstones and possibly skin cancer.

  • What is Andreas' view on the use of soap and its impact on the skin's health?

    -Andreas believes that using soap is unnecessary and can harm the skin by removing vital bacteria that keep the skin healthy and nourished, and by washing away the vitamin D produced on the skin.

  • How does Andreas describe the natural protection mechanism of the skin against sun exposure?

    -Andreas describes tanning as a natural protection mechanism of the skin against sun exposure, which allows for increased sun exposure without the risk of sunburn.

  • What does Andreas suggest about the correlation between sun exposure and skin cancer in regions with high UV radiation?

    -Andreas suggests that contrary to popular belief, regions with high UV radiation, such as near the equator or high altitude areas like the Swiss Alps, do not have higher rates of skin cancer. Instead, he points to regions with less sun exposure, like London, Norway, and Canada, as having higher rates of skin cancer.

  • What is the role of the liver in processing the chemicals from sunscreens as mentioned in the transcript?

    -The liver is responsible for breaking down the chemicals from sunscreens that are absorbed into the bloodstream. However, this process can overtax the liver and potentially lead to health issues.

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関連タグ
SunlightSkin CancerSunscreenVitamin DUVB RaysUVA RaysTanningHealth MisconceptionsSkin ProtectionNutritional Deficiency
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