Research on neurotransmitters indicates that?

In laboratory studies, giving high doses of dronabinol to pregnant animals increased the risk of the unborn baby's death.

A growing number of studies indicate symptom improvement in those with both psychiatric and physical disorders.

Researchers are hopeful that new treatments will releive the genetic mutation. Also, a number of drugs are being tested to improve daytime sleepiness.

Rita M. Holl, RN, PhD, states that "Within Western medicine, iridology is considered a controversial science at best and medical fraud at worst." Research is controversial.

Premature aging or the incubation of particles from the original polioviruses, or that spinal cord changes over time affect the nerves responsible for movement are possible causes being researched.