Smoking 1 cigarette per day can still kill you
British researchers say lighting up just once a day was linked to a much higher risk of heart disease and stroke than might be expected. Read more
E-cigarettes may lead kids to tobacco but help adults quit
Kids who vape and use other forms of e-cigarettes are likely to try more harmful tobacco products like regular cigarettes, but e-cigarettes do hold some promise for helping adults quit. Read more
Hot trend: Saunas may help your health
A study covering more than 2,300 middle-aged men in Finland found the more frequently a man took a sauna, the lower his risk of fatal heart disease and early death. The same group of researchers has also reported an association between regular sauna use and a lower risk of high... Read more
When you need a mammogram, should you get one in 3-D?
What’s not yet clear is whether this newer, more expensive technology is better at catching cancers that are likely to kill. So should it be widely recommended? And who should pick up the extra cost involved? Read more
How the opioid epidemic led to an HIV outbreak
Genetic data has been used to track HIV before. But now, the technology is being used to map HIV outbreaks in real time, lending molecular weight to the in-person interviews that public health officials have used for centuries to track and stop outbreaks. Read more

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