Positive and negative predictive value
This more complex metric than test sensitivity or specificity will allow you to understand the likelihood that any specific test result–whether positive or negative–is in fact accurate.
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View AllCoffee: good for your energy and for your health
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Toasting to good health? Consider putting down your glass...
Heavy drinking has been shown to significantly increase the risk of several forms of cancer, as well as heart disease, dementia, and depression (among other health issues). Drinking less can significantly mitigate those risks.
Your drinking water could be hurting your health
Common contaminants may be increasing your risk of cancer and other dangerous diseases.
How Exercise Reduces Your Cancer Risk
Regular physical activity is linked to reduced risk for at least 13 cancer types. Here is what the research shows and how to build habits that actually protect you.
Does Alcohol Increase Cancer Risk? What the Evidence Shows
Alcohol is classified as a Group 1 carcinogen linked to at least seven cancer types. Here is what the evidence says and how reducing your intake can lower your risk.
Prostate Cancer Screening: When to Get a PSA Test and What to Expect
The PSA test is one of the most important tools in prostate cancer detection. Here's when to get screened, what the results mean, and how to act on them.
Does Sleep Affect Your Cancer Risk?
Your nightly sleep affects immunity, DNA repair, and cancer risk. Here's what the science says and how to take action.
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