Marisa Wexler, MS, senior science writer —

Marisa holds a Master of Science in cellular and molecular pathology from the University of Pittsburgh, where she studied novel genetic drivers of ovarian cancer. Her areas of expertise include cancer biology, immunology, and genetics, and she has worked as a science writing and communications intern for the Genetics Society of America.

Articles by Marisa Wexler

Study Challenges View of How Alpha-synuclein Drives Parkinson’s

Alpha-synuclein clumps’ toxic effects — a hallmark of Parkinson’s disease — are independent of the production of the protein by neurons themselves, according to a study in mice. In mice lacking alpha-synuclein, exposure to toxic protein clumping resulted in comparable neurodegeneration, which was found to be related to the…

Trial of Supplement Nicotinamide Riboside to Include Extension Study

An open-label extension study has been launched for NOPARK, a placebo-controlled Phase 2 clinical trial that’s assessing the effectiveness of nicotinamide riboside (NR) with Parkinson’s disease. NR is the active ingredient of Niagen, a dietary oral supplement that ChromaDex markets to promote “healthy aging.” Dietary supplements, unlike…

Incidence of Parkinson’s in US More Than Previously Estimated

Nearly 90,000 people, 65 or older, are diagnosed with Parkinson’s disease every year in the U.S., representing an increase of about 50% relative to previous estimates of the disease’s incidence, a study showed. “These updated estimates of incidence are necessary for understanding disease risk, planning health care delivery, and…

Your Parkinson’s Community

Woman laying down illustration

Visit the Parkinson’s News Today forums to connect with others in the Parkinson’s community.

View Forums