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"The metal particles likely come from the cartridge of the e-cigarette devices themselves which opens up the possibility that better manufacturing standards for the devices could reduce the quantity of metals in the smoke," said Arian Saffari, a PhD student at USC Viterbi and lead author of the paper

First, the cross-sectional design precludes causal inference for the association between smoking and HTN

In smokers, the epididymal function also gets affected which can damage sperm maturation

The dangers of asbestos were not widely publicized until around 1970

I was taught by one of my mentors not to go wide and shallow, but to go narrow and deep