Although scientific evidence for effective heavy metal toxicity treatment is not adequate, chelation therapy with chelating agents, such as DMPS and ethylene diamine tetra-acetic acid (EDTA), is considered the best-known treatment for metal poisoning or toxicity.
What was it like growing up during the Great Depression? For many people, life was a daily struggle. At the peak of the Depression, 25% of the nation's workers -- one out of four -- were unemployed. No job meant no money to pay the mortgage or buy food and clothes for the family.
How did the Great Depression impact the upper class? The Great Depression did affect the upper class, but not nearly as  hard as the working and lower class. Although many lost money in  the stock market crash, most still retaâ¦ined their wealth and  prosperity. It also caused tention between the upper and lower  class.