Research we’re watching: New guidelines recommend CT screening for long-term smokers

New guidelines recommend low-dose CT screening for current and former smokers ages 55 to 74 who have smoked a total of 30 or more pack-years (one pack-year is equivalent to smoking 20 cigarettes a day for one year).

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News briefs: Fish oil supplements ineffective for heart health?

While there’s good evidence that omega-3s in the diet offer protection against heart disease and stroke, omega-3 fatty acids found in fish oil supplements may not reduce the risk of stroke or heart attack among people with a high heart disease risk.

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