Even fewer are believed to cause dysplasia.
Phthalates are plastics softeners that are believed to cause reproductive problems and possibly cancer.
One of its components is methanol, a form of alcohol believed to cause neuralgia.
At high levels, lead is also believed to cause kidney damage, seizures, coma and even death.
Infections from such strains of bacteria are believed to cause thousands of deaths a year.
Then he contracted adult chickenpox, a disease that Pattini/Kannaki is believed to cause.
It does not consider rotational forces believed to cause a substantial number of concussions.
But the study was criticized for excluding dioxins and the parts of diesel exhaust that are believed to cause cancer.
Last year the company recalled its popular painkiller Vioxx after it was believed to cause strokes and heart attacks.
Now, Zika is believed to cause microcephaly, a severe birth defect that leaves children with abnormally small heads.
The tests turned up positive, they say, for abnormal prions, the infectious proteins believed to cause mad cow disease.
