1.   A study published in the British Medical Journal traces the excess caesium to locally produced lamb and milk from cows which have eaten coastal grasses contaminated with nuclear waste.

2.   A flame-retardant compound known as trephenyl phosphate may cause itching, nasal congestion and headaches, says a study published recently in Environmental Science and Technology.

3.   A Harvard Medical School study published in the December issue of Nature Neuroscience shows that sleep is vital to learning and affects both memory and performance.

4.   A study published in November by Lynn and her colleagues in The Journal of the American Medical Association showed how difficult it could be for doctors to make predictions.

5.   A study published by Dutch scientists Thursday shows signs of aging -- gray hair, brittle bones and infertility -- are symptoms of this DNA failure.

6.   A study published last year by Dr. Barker and his colleagues hinted of a possible link between intrauterine hormonal or nutritional factors and the risk of developing ovarian cancer.

7.   A study recently published in the British Medical Journal backs up this view.

8.   But two studies published in the current New England Journal of Medicine offer new hope.

9.   But two studies published in the current New England Journal of Medicine show that the size and gravity of the problem were vastly overstated.

10.   Consider a study recently published in The Lancet, the British medical journal.