Do hair dyes increase cancer risk?

Many studies have explored the relationship between hair dye use and risk of cancer or cancer-related death, with conflicting findings. In a recent study, researchers analyzed survey data from over 117,000 women collected over several decades regarding hair dye use and overall cancer risk.

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More intensive treatment of DCIS reduces the risk of invasive breast cancer

With increased rates of diagnosis of very early breast cancer known as ductal carcinoma in situ, there has been controversy about treatment. A recent study found that having DCIS was likely to lead to invasive breast cancer later, and also that women who chose more intensive treatment early were less likely to have invasive breast cancer.

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Can I take something to prevent colorectal cancer?

Screening for colorectal cancer can lower mortality, but it varies in effectiveness and is not always possible to perform, so alternatives are needed. Researchers analyzing studies found evidence for regular use of low-dose aspirin, leading the US Preventive Services Task Force to recommend it for some people.

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