1.   A study has linked ill health in the area with industrial pollution.

2.   Studies have linked prolonged use of the drug to cancer.

3.   The study links the main living area to the kitchen.

4.   The study linked the increase directly to the radioactive fallout from Chernobyl.

5.   A study has linked the high rate of birth defects in a Hungarian village to pesticide use at a local fish farm.

6.   An earlier study had linked exercise in adolescence and early adulthood to a reduced risk of breast cancer in mid-life.

7.   And some animal studies have linked high levels of dioxin with a reduction in glucose metabolism in fat and other tissues.

8.   And recent studies have linked the chemical to hormonal changes.

9.   A new study by Pearson linked creatine supplementation to statistically significant gains in strength measures and lean body mass.