Article (Transfusion -- March 8, 2012): The United States Trypanosoma cruzi Infection Study: Evidence for Vector-borne Transmission of the Parasite That Causes Chagas Disease Among United States Blood Donors.
The ALS Association says the average lifespan of someone diagnosed with the condition is between two and five years. More than 50 percent make it past year three. Twenty percent make it past year five. From there, the number plummets. Less than 5 percent make it past two decades.
ALS is often referred to as a syndrome because the disease becomes apparent in various patterns. ALS occurs rarely and spontaneously. Currently, there is no cure for amyotrophic lateral sclerosis. ALS Statistics. Most people who develop ALS are between the ages of 40 and 70, although the disease can occur at a younger age.