Stem cells from embryos tend to produce horrific side effects, mainly deadly tumors and tissue rejection by the body's immune system.
Marfan's is a highly variable but potentially deadly disorder of connective tissue involving a defect in a protein called fibrillin.
A post mortem showed the first needle had plunged through the intended vein, injecting the deadly chemicals into soft tissue instead.
He sees inside a nuclear reactor, glimpses one of the rarest elements in the world - radioactive plutonium - and even subjects living tissue to deadly radiation.
The deadly gases react with tissue: attacking eyes, nasal passages and lungs, and are possibly fatal (lethal) to breathe.
"In the right situation," Dr. Gruer said, "if they get into the body, especially into dead tissue, they can be activated and start multiplying, and cause an infection, which then produces a deadly toxin".
Even a small amount of tumor tissue can be deadly.
In December 2006, for example, Florida's lethal injection team inadvertently injected the deadly mix into the soft tissue of a condemned inmate's arm.
In doing so, they found that the ground, "homogenized" tissue was absolutely deadly to microbes as much as 100 times more potent than penicillin, Tanzi said.
There, in the lymph nodes, in a process the Sverdlovsk outbreak shows can take anywhere from days to weeks, the spores in the lymph nodes turn into anthrax bacteria, which begin producing deadly toxins that attack body tissues.
