Weis Markets. Weis Markets, Inc. is a Mid-Atlantic food retailer based in Sunbury, Pennsylvania, It currently operates 204 stores in Pennsylvania, Maryland, New York, New Jersey, West Virginia, Virginia, and Delaware. 1 History 1.1 Robert and Jonathan Weis.
Posted 17 Feb 2011 by Drugs.com. THURSDAY, Feb. 17 â People who use the pesticides rotenone and paraquat have a 2.5 times increased risk of developing Parkinson's disease, a new study finds. U.S. researchers compared 110 people with Parkinson's disease and 358 people without the nervous system disorder.
In Parkinson's disease, certain nerve cells (neurons) in the brain gradually break down or die. Many of the symptoms are due to a loss of neurons that produce a chemical messenger in your brain called dopamine. When dopamine levels decrease, it causes abnormal brain activity, leading to signs of Parkinson's disease.The cause of Parkinson's disease is unknown, but several factors appear to play a role, including:Your genes. Researchers have identified specific genetic mutations that can cause Parkinson's disease, but these are uncommon except in rare cases with many family members affected by Parkinson's disease.hen dopamine levels decrease, it causes abnormal brain activity, leading to signs of Parkinson's disease. The cause of Parkinson's disease is unknown, but several factors appear to play a role, including: Your genes.