Associated Press/Photo by Andrew Selsky

Pediatricians warn parents: Pot is not benign

Drug Abuse | Experts say looser marijuana laws lead some to assume the drug is safe
by Kiley Crossland
Posted 3/02/17, 01:58 pm

America’s largest association of pediatricians is pushing back against a growing perception that marijuana is safe for teens.

The American Academy of Pediatrics (AAP) published a clinical report Monday in the journal Pediatrics warning that nationwide marijuana legalization efforts have led to more access, stronger drugs, and lower perceived risks. More teens and adults think marijuana is harmless, even healthful.

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Krieg Barrie

A fresh pair of genes?

Medicine | Gene editing could alter human embryos for life
by Charles Horton
Posted 3/01/17, 11:36 am

Do genes equal destiny? Anatomically speaking, yes: A child with two X chromosomes will be a girl, and a child with one X and one Y will be a boy. Genes help determine everything from height and hair color to whether a person will enjoy certain flavors. They can also act like mosquitoes and ticks, transmitting disease.

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A crack in the human gene editing floodgates

Science | Scientists gingerly set aside caution about altering the human germline
by Julie Borg
Posted 2/27/17, 12:39 pm

In the past five years, use of the gene editing technology known as CRISPR-Cas9 has exploded in research labs across the globe. The innovative technology appears to be as promising for the field of medicine as it is controversial and potentially dangerous for society.

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