Cardiology

Smoking leaves lasting marks on DNA, study finds

(HealthDay)—Smoking cigarettes can leave a lasting imprint on human DNA, altering more than 7,000 genes in ways that may contribute to the development of smoking-related diseases, a new study says.

Genetics

Exposure to cannabis alters the genetic profile of sperm

As legal access to marijuana continues expanding across the U.S., more scientists are studying the effects of its active ingredient, tetrahydrocannabinol (THC), in teens, adults and pregnant women.

Diseases, Conditions, Syndromes

Filtration engineers offer advice on do-it-yourself face masks

The continuing shortage of face masks and new recommendations on their use by the general public have led many individuals and organizations to make their own masks using available materials. While homemade protection as ...

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