The wealth disparities this can cause were shown in the recently-released list of global MBAs compiled by the Financial Times newspaper.
The childhood vaccine for whooping cough has not been raised as a possible cause of autism, and the vaccines that were concerning have been shown not to cause autism with substantial evidence, said Stacey Martin, a staff epidemiologist at the U.S. Centers for Disease Control and Prevention who works on pertussis.
It was later withdrawn from the market after it was shown to cause heart attacks.
Although StarLink stoked public fears about biotech crops, it has not been shown to cause any health problems.
Moreover, it had been shown to cause fewer cardiovascular problems than Vioxx.
Vaccines against germs which have been regarded as unworthy of attention might also be developed if such germs are shown to cause serious diseases.
By one line of thinking, it should have been an easy case, because the patient was said to have died of an arrhythmia, a type of heart problem that Vioxx has not been shown to cause.
Although computer usage has not been conclusively shown to cause permanent damage to healthy eyes, there is evidence to suggest that small vision defects, which do not cause symptoms in everyday life, may start to cause problems when carrying out more visually demanding tasks.
"Operating spa pools on display in indoor spaces, even if not used for bathing, have been previously shown to be the cause of outbreaks in other countries, " the report added.
Recently, drugs like Novartis ' Gleevec and Genentech 's Avastin have shown promise by blocking the proteins that cause cancer cells to divide uncontrollably, but drug companies have also been beset with regulatory and clinical snafus--most prominently, ImClone Systems ' Erbitux.
Antioxidants applied topically have been shown to protect against sun damage that can cause wrinkles and changes in skin pigmentation, Dr. Alster says.
Tests have shown that even slight changes in paper content will cause people to order more -- or less -- due to their perception of the quality of the product.
Today violations of the personal trading rules by portfolio managers, such as front-running, which cause substantial monetary harm to investors, are still not required to be shown to investors.
While a number of studies show corticosteroids and progestational agents cause an increase in appetite and even weight gain, these studies have not shown that they improve quality of life or survival.
Other recent studies suggest the significant mortality benefits of running may diminish or disappear at mileage exceeding 30 miles a week and other, very small studies have shown elevated levels of coronary plaque in serial marathoners a problem that rigorous exercise theoretically could cause.
At that time, then Chief Executive Raymond Gilmartin and research chief Peter Kim both emphasized that because it took so long for Vioxx to cause an increase in risk, the study was consistent with Merck's stance that previous research hadn't shown any danger.
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