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Rethinking the screening mammogram

Doctors and patients want and need tests that detect disease while that disease is still treatable — ideally, while curable. Even better, we want screening tests that can accurately detect “pre-disease,” not just detect it once present. An example is colonoscopy,...
What Blockchain Can’t Do

What Blockchain Can’t Do

Jorg Greuel/Getty Images Blockchain technology has the potential to do amazing things. It can provide an immutable, digital audit trail of transactions, and can be used to cheaply verify the integrity of data. It can help businesses and individuals agree, on a global...

Losing weight: Mindfulness may help

One of the hardest parts about losing weight isn’t choosing what to eat. You know you should focus on fresh, lower-calorie foods and steer clear of sugary, fat-laden treats. Often, the real challenge is more about changing how and why you eat. One strategy that just...

Losing weight: Mindfulness may help

One of the hardest parts about losing weight isn’t choosing what to eat. You know you should focus on fresh, lower-calorie foods and steer clear of sugary, fat-laden treats. Often, the real challenge is more about changing how and why you eat. One strategy that just...

Losing weight: Mindfulness may help

One of the hardest parts about losing weight isn’t choosing what to eat. You know you should focus on fresh, lower-calorie foods and steer clear of sugary, fat-laden treats. Often, the real challenge is more about changing how and why you eat. One strategy that just...