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Doctor insights on: Moles And Uv Radiation

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How can radiation exposure and uv light cause cancer?

How can radiation exposure and uv light cause cancer?

Break dna: Knock off a base (atgc -base pairs), cause a strand break, and most lethally, cause a double strand break. We have repair enzymes, but mis-repair can cause a wrong base to be inserted, or deletion of important information leading to cancer development or promotion. ...Read more

Dr. Coyle Connolly
1,104 doctors shared insights

Moles (Definition)

A mole (also called a nevus) is a localized overgrowth of pigment-producing cells (melanocytes) in the skin. Most moles are benign. However, these cells can become cancerous. This is known as melanoma, ...Read more


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Could sun-tanning cause skin cancer and melanoma?

Could sun-tanning cause skin cancer and melanoma?

Yes yes yes!!!: I will admit there are few things lovelier than a well tanned female body but in the end, a tan is a response to injury and ultimately not good for you. Sun exposure will increase the risk for skin cancers of all types, including the potentially deadly melanoma. It will also cause premature skin aging. Avoid unnecessary sun exposure (and tanning beds as well). Best to you. ...Read more

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How does the sun protection clothing possibly reduce melanoma and skin cancer risks?

How does the sun protection clothing possibly reduce melanoma and skin cancer risks?

Decrease UV exposure: Uv exposure from the sun causes melanoma. Sun protection clothing will reduce your risk of melanoma and other skin cancers by decreasing your exposure to the harmful uv radiation. ...Read more

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Can uv radiation from the sun be similiar to the radiation used in cancer treatment?

Can uv radiation from the sun be similiar to the radiation used in cancer treatment?

Different wavelength: Ultraviolet is of wavelength / energy only slightly greater than visible light. Cancer treatment radiation is far more energetic and higher wavelength. ...Read more

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Can ultraviolet rays at 395-410nm be harmful to the skin?

Yes: Any UV light can cause skin damage. If the exposure results in tanning then that is a sign that the skin is attempting to minimize injury. ...Read more

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What amount sun exposure causes melanoma?

What amount sun exposure causes melanoma?

Depends On Skin Type: Melanoma is the deadliest of all skin cancers. Your risk of melanoma with sun exposure depends on your skin type. Skin that burns easily and never tans has a higher risk of developing melanoma than skin that is dark and almost never burns. As a rule, you should always wear sunscreen when exposed to the sun. Not only will that decrease your risk of melanoma, it also prevents premature aging. ...Read more

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Hi! What causes skin cancer uvb or uva? If uvb how could we get vitD from sun exposure if we prevent uvb rays cz they only make our skin produce vitD?

Hi! What causes skin cancer uvb or uva? If uvb how could we get vitD from sun exposure if we prevent uvb rays cz they only make our skin produce vitD?

Excellent question: You are right! We were designed to live under the sun and that is exactly how we make vitamin D in the body. Judicious exposure to sunlight is the answer. When you develop a tan, it protects you. ...Read more

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Sun gives vitamin d but damages skin due to uv rays. Should i avoid the sun or not?

Sun gives vitamin d but damages skin due to uv rays. Should i avoid the sun or not?

DO NOT avoid but...: Sun exposure not only increases vitamin d but has other proven benefits unrelated to vitamin d. Uvb produces vitamin d and uva increases cancer risk- so avoid the sun when uva predominates. Precise instructions on how to be in the sun safely are at http://articles.Mercola.Com/sites/articles/archive/2012/03/26/maximizing-vitamin-d-exposure.Aspx. For info on the benefits of sun exposure see comment:. ...Read more

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What extent of sun exposure can lead to skin cancer?

What extent of sun exposure can lead to skin cancer?

Sun: A history of sunburns (even just a couple) in childhood combined with cumulative sun exposure from childhood throughout adulthood dramatically increases one's skin cancer risk. ...Read more

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Can tanning in uv light cause scar tissue to worsen?

Can tanning in uv light cause scar tissue to worsen?

Yes: Tanning can make a scars appearance worse due to the fact that scar tissue has less melanin than normal tissue. ...Read more

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Can blue light phototherapy cause skin cancer?

Can blue light phototherapy cause skin cancer?

No: Only ultraviolet light is known to cause skin cancer and there is no ultraviolet light in this type of phototherapy. ...Read more

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Dermatology: does a sun tan lotion, with an SPF 6, allow for tanning and wards off damaging premature skin aging when applied frequently enough?

Dermatology: does a sun tan lotion, with an SPF 6, allow for tanning and wards off damaging premature skin aging when applied frequently enough?

Nope: Suntan is actually a sign of sun damage. You don't have to burn to have damage, although burning does increase your risk of skin cancers even more. You need an SPF of 30 or higher reapplied every 2 hours to ward off premature aging! ...Read more

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Why does your skin glow under uv light?

Why does your skin glow under uv light?

Fungus infection: Certain fungi that cause skin infections can give off various colors under that type of light. ...Read more

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Can the rays of sun cause breast cancer or any other..?

Can the rays of sun cause breast cancer or any other..?

Not breast cancer.: Sunlight does not appear to cause breast cancer. However, it is clear that overexposure to sunlight can cause skin cancer. ...Read more

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Is it safe to do IPL to remove freckles, moles and sun spots on arms and chest?

Is it safe to do IPL to remove freckles, moles and sun spots on arms and chest?

IPL: IPL is great for removing brown spots. More than one treatment may be needed. Also, continued sun exposure will gradually make new spots appear so using a good sun screen, long sleeve, hats, etc are beneficial. If the IPL doesn't remove enough pigment a laser peel would likely be the next step. Good luck! ...Read more

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Can sun-tanning cause skin cancer and melanoma? Any answers appreciated!

Can sun-tanning cause skin cancer and melanoma? Any answers appreciated!

Yes & Yes.: This is why it is so important to protect your skin at all times. ...Read more

Dr. Joshua Fox
525 doctors shared insights

Ultraviolet Rays (Definition)

Ultraviolet rays are a form of electromagnetic radiation (like light, x-rays, and microwaves) that can cause skin damage, tanning, skin cancer, and are a normal part of ...Read more


Dr. Coyle Connolly
479 doctors shared insights

Nevi (Definition)

Nevi ...Read more