Immunology

High-salt diet and ulcer bug combine to increase risk of cancer

Numerous epidemiologic studies have shown that a diet high in salt is associated with an increased risk of gastric cancer. Now Timothy L. Cover and colleagues of Vanderbilt University show that high dietary salt combined ...

Medical research

In gerbils, stem cells boost hopes of ending deafness

Scientists working with deaf gerbils said on Wednesday they had found a way of coaxing early stem cells into specialised ear cells that helped the rodents hear sound once more.