The firearms research has found, among other things, that guns kill more teen-agers, white and black, than all natural diseases combined.

The Institute conducts research into ways to protect soldiers again biological weapons and natural infectious diseases.

Moreover, he said, much of the biodefense research should also help protect against natural emerging disease threats.

Research viewed as dangerous, they say, may be the most likely to stimulate new defenses against biological threats and natural diseases.

A few years back, the main root of the tree succumbed to natural disease, and thus the tree looks like many different trees now.

It must be only natural disease - yet what disease could wreak such results was beyond any mind's guessing.

Usage of natural disease as a weapon in conflicts has a long history.

"It is no higher after the vaccine than after the natural disease."

Your friend's illness is not a natural disease.

In fact, I can say with confidence that this is not a natural disease.