The findings contradict anecdotal reports of the drug's possible causal association
with depressive symptoms, although they do not preclude the occurrence of depression as a rare, unpredictable, and idiosyncratic side effect, reported Dr.
Epidemiologic investigations and research studies of EMS should be directed toward further defining a causal association
between LTCPs and EMS and identifying specific etiologic factors and possible cofactors that may modify risk.
A study of 1,047 children found no evidence of a causal association
between exposure to ethylmercury from the preservative thimerosal in vaccines during the prenatal, neonatal, or first 7 months of life and neuropsychological outcomes at ages 7-10 years, the authors concluded.
The emergence of biomarkers is enhancing our ability to study and test causal association
in the same way serologic tests transformed the study and control of infectious agents.
That excess mortality is clustered in patients with poor quality of care suggests a causal association
and suggests the need for change.
Because of the case-control design of the study, the investigators acknowledged that they could not assess causal association
, but they noted that the role of diabetes as a predictor of MCI would be examined prospectively.
Researchers in Montreal have reported new evidence supporting a strong causal association
between human papillomavirus infection and tonsil-related oral cancers.
The observed higher correlation in people with a prior skin cancer diagnosis lends further support to a causal association
between arsenic and cutaneous melanoma.
If a causal association
between exposure to PM and infant death exists, widespread exposure to particulate air pollution may be an important determinant of infant mortality at a population level.
Zane coauthored a recent systematic review of the medical literature that showed no support for a causal association
between isotretinoin for acne and increased risk of depression or suicidal behavior.
smallpox vaccination program for civilians and military personnel support a causal association
between the vaccinations and myopericarditis.
A causal association
with carcinoma of the lungs was first reported in the 1930s in the United States (Lynch and Smith 1935) and in the United Kingdom (Gloyne 1935).