Across the globe, more than 10 million people suffer from Parkinson’s disease, a neurological disorder that leads to unintended and uncontrollable movements such as shaking, stiffness, and difficulty with balance and coordination.
Scientists are working to better understand the mechanisms involved in Parkinson’s disease. At a basic level, they know that the disease occurs when nerve cells in the basal ganglia, an area of the brain that controls movement, become impaired or die. Most researchers believe a mix of genetic and environmental factors trigger the disease. [Read more…]
As heat waves roll across the U.S. in the summer, heat-related illnesses are a serious threat to Americans. Although we often hear about the dangers of overheating and dehydration, heat waves lead to even broader consequences for the people coping with them. A “heat dome” covered the East Coast and southern U.S. last month, and has now shifted to California. 
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Over the past several decades, marijuana legalization has accelerated across the United States. Cannabis is now legal for recreational use in 24 states and Washington, D.C., as well as for medical use in 38 states and Washington, D.C. Now that it’s more widely available, researchers are asking how legalization is affecting cannabis use. 
Chances are that someone you love has experienced depression. Approximately 8 percent of U.S. adults – some 21 million people – have a major depressive disorder each year. For people under age 18, depression is the most common cause of hospitalization. 
