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Diet may keep kidneys healthy

Eating low-fat dairy products and plants could help protect against kidney stones, research showed.

A diet designed to prevent high blood pressure -- high in fruits, vegetables, nuts, dairy products and whole grains, and low in sweetened drinks and red and processed meats -- reduces the risk of developing the condition, a study found.

Researchers in the US studied urine samples from 3,426 people with and without a history of kidney stones.

Kidney stones, which are hard lumps of crystal formed by the waste products in the kidneys, are quite common and can cause severe pain.

22 drug runners die in shoot-out

A gun battle between Mexican soldiers and suspected drug cartel members left 22 dead at a ranch near the US border, officials said.

All the dead were suspected gang members, the defence department said in a statement. One soldier was injured.

The military said the drug suspects opened fire on soldiers conducting reconnaissance patrols at a ranch on the outskirts of Ciudad Mier, a northeastern town about 18 miles south of the border with Texas.

Soldiers seized weapons including 55 grenades, 18 rifles and four handguns guns.