There is sufficient evidence of a causal association
between dampness or dampness-related agents and exacerbation of asthma in children, and of an association in adults.
The conclusion reads: "Our study does not support a causal association
between early exposure to mercury from thimerosal-containing vaccines and immune globulins and deficits in neuropsychological functioning at the age of 7 to 10 years.
In fact, Gardasil is the first vaccine ever to receive a category B designation, based on animal and human data indicating no causal association
with adverse outcomes of pregnancy or adverse events to the developing fetus, Dr.
In its letter to health care professionals, the drug maker said, "It is not clear if the findings from these studies represent a true causal association
with maternal paroxetine exposure.
In fact, Selby says, these two factors are so "strikingly large" that they "suggest the possibility of a causal association
," though he admits "we haven't a clue" to how they relate to hypertension.
The lack of any causal association
between the defendants and the negligence they were charged with for the fatal accident completely disconnects the defendants with the accident," said the court verdict.
There appears to be a dose-response effect because the risk increased with decreasing TSH measurement, suggestive of a possible causal association
," wrote Thenmalar Vadiveloo, Ph.
The utility of estimating the global burden of an effect based on a single study, for which no causal association
has been established in other studies, is not apparent.
Although this study found a risk, the finding was based on a relatively small number of cases and it remains unclear whether it is a causal association
The biological implausibility, lack of specificity of causes of death, inconsistency with previous experience, weakness of other supportive evidence in our data and weak statistical signal cast doubt on a potential causal association
of topical tretinoin with death in the VATTC Trial," the authors write.
If we take Gowers's publication in the Lancet as acceptance of the causal association
between syphilis and tabes in the English medical literature, it took Kipling less than 12 years to incorporate this relatively new syndrome into his work.
While the research doesn't prove methylmercury caused the behavioral differences between the two groups, Houpt notes that the 10-fold higher brain levels of this neurotoxic metal in the tuna-fed cats suggests a causal association