Cancer

An app to look at that mole? Dermatologists advise caution

While snapping a photo of a suspicious mole with a phone and uploading it to an app might seem like the swiftest way to a diagnosis, dermatologists say users should be wary of such technology, especially when it comes to ...

Genetics

The man who is aging too fast

Nobuaki Nagashima was in his mid-20s when he began to feel like his body was breaking down. He was based in Hokkaido, the northernmost prefecture of Japan, where for 12 years he had been a member of the military, vigorously ...

Health

Drinking red wine for heart health? read this before you toast

For years, studies have shown a relationship between drinking a moderate amount of red wine and good heart health, but experts say it's important to understand what that means before you prescribe yourself a glass or two ...

Medical research

A new way of diagnosing and treating disease—without cutting skin

University of British Columbia researchers have developed a specialized microscope that has the potential ability to both diagnose diseases that include skin cancer and perform incredibly precise surgery—all without cutting ...

Cancer

Diabetes linked to numerous cancers in large Chinese study

A new Journal of Diabetes study from China, which has the highest number of people with diabetes among all countries, found that type 2 diabetes was linked with an elevated risk of 11 types of cancer in men and 13 types of ...

Cancer

Cover up! Don't soak up those sun rays

(HealthDay)—Only half of Americans routinely protect themselves from the sun when outdoors, a recent American Academy of Dermatology (AAD) survey found.

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Skin neoplasms (also known as "skin cancer") are skin growths with differing causes and varying degrees of malignancy. The three most common malignant skin cancers are basal cell cancer, squamous cell cancer, and melanoma, each of which is named after the type of skin cell from which it arises. Skin cancer generally develops in the epidermis (the outermost layer of skin), so a tumor can usually be seen. This means that it is often possible to detect skin cancers at an early stage. Unlike many other cancers, including those originating in the lung, pancreas, and stomach, only a small minority of those affected will actually die of the disease, though it can be disfiguring. Melanoma survival rates are poorer than for non-melanoma skin cancer, although when melanoma is diagnosed at an early stage, treatment is easier and more people survive.

Skin cancer is the most commonly diagnosed type of cancer. Melanoma and non-melanoma skin cancers combined are more common than lung, breast, colorectal, and prostate cancer. Melanoma is less common than both basal cell carcinoma and squamous cell carcinoma, but it is the most serious — for example, in the UK there were over 11,700 new cases of melanoma in 2008, and over 2,000 deaths. It is the second most common cancer in young adults aged 15–34 in the UK. Most cases are caused by over-exposure to UV rays from the sun or sunbeds. Non-melanoma skin cancers are the most common skin cancers. The majority of these are basal cell carcinomas. These are usually localized growths caused by excessive cumulative exposure to the sun and do not tend to spread.

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