2015 Event Aducanumab, a new drug developed by Biogen to treat Alzheimer's, is showing success in reducing toxic brain plaque and decreasing the rate of mental impairment in trials; if successful in further testing, the drug may be available by 2020 2014 Event Indonesian volcano Mount Sinabung erupts on Sumatra Island, shooting toxic clouds of ash into the air; 15 people die, and the search continues for more victims and survivors 2013 Event Britain agrees to help Syria destroy over 165 tons of chemical weapons; the stockpile includes substances that could be used to make highly toxic nerve agents 2013 Event The Organization on the Prohibition of Chemical Weapons reports it has completed the inspection of 21 out of 23 chemical weapons sites across Syria, resulting in the destruction of over 1,000 metric tons of toxic agents and munitions 2008 Death Heath Ledger, dies in New York City, toxic combination of prescription drugs, at 28 1991 Event Supreme Court rules unanimously employers can't exclude women from jobs where exposure to toxic chemicals could potentially damage fetus 1985 Death Grant Williams, actor (Shrinking Man), dies of toxic poisoning at 54 1979 Event U.S. admits troops in Vietnam were exposed to the toxic Agent Orange 1976 Event Congress passes Toxic Substances Control Act
