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Neanderthal DNA may influence modern depression risk

NEW YORK A new study says a person’s risk of becoming depressed or hooked on smoking may be influenced by DNA inherited from Neanderthals.

Researchers found evidence that one bit of Neanderthal DNA can boost the risk of tobacco addiction, while others can slightly raise or lower the risk of being diagnosed with depression.

Video shows only known US jaguar roaming Arizona mountains

TUCSON, Ariz. The only known wild jaguar in the United States is seen roaming parts of an Arizona mountain range in the first publicly released video of the giant cat.

“El Jefe,” Spanish for “the boss,” has been living in the Santa Rita Mountains for over three years, according to the Center for Biological Diversity.