Dementia Joins Ranks of Top Global Killers With No Drug in Sight

  • Alzheimer’s and other dementia unseat AIDS on WHO death list
  • Merck, Roche, Biogen continue to test drugs despite setbacks
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Dementia has unseated AIDS as one of the world’s top killers, new figures from the World Health Organization show, as drugmakers struggle to either curb or cure it.

Alzheimer’s disease and other forms of dementia killed 1.54 million people in 2015, more than twice the number of deaths from the disease in 2000, according to documents posted on the WHO website last month. It replaced HIV/AIDS as No. 7 on the global health watchdog’s list of the 10 biggest causes of death worldwide. New therapies helped push fatalities from HIV/AIDS from 1.5 million down to 1.1 million over the same 15-year period.