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By Malcolm Ritter The Associated Press

Parenting of the future: Many embryos, each with DNA profile

NEW YORK — So you want to have a baby.

Would you like a dark-haired girl with a high risk of someday getting colon cancer, but a good chance of above-average music ability?

Or would you prefer a girl with a good prospect for high SAT scores and a good shot at being athletic, but who also is likely to run an above-average risk of bipolar disorder and lupus as an adult?

Studies link legal marijuana with fewer opioid prescriptions

:NEW YORK — Can legalizing marijuana fight the problem of opioid addiction and fatal overdoses? Two new studies in the debate suggest it may.

Pot can relieve chronic pain in adults, so advocates for liberalizing marijuana laws have proposed it as a lower-risk alternative to opioids. But some research suggests marijuana may encourage opioid use, and so might make the epidemic worse.

Scientists: Ash tree species pushed to brink of extinction

NEW YORK — Five prominent species of ash tree in the eastern U.S. have been driven to the brink of extinction from years of lethal attack by a beetle, a scientific group says.

Tens of millions of trees in the U.S. and Canada have already succumbed, and the toll may eventually reach more than 8 billion, the International Union for Conservation of Nature said Thursday.

DNA test results may not change health habits

NEW YORK — If you learned your DNA made you more susceptible to getting a disease, wouldn’t you work to stay healthy?

You’d quit smoking, eat better, ramp up your exercise, or do whatever else it took to improve your odds of avoiding maladies like obesity, diabetes, heart disease or cancer, right?

The scientific evidence says: Don’t bet on it.