After thousands brought lawsuits against Syngenta, alleging a link between its pesticide paraquat and Parkinson’s, the company announced it will stop production by the end of June.

A recent study found that even people who quit later in life had slower cognitive decline than those who kept smoking.

Unexpected changes in regulatory guidance are delaying the review of a potential Huntington’s gene therapy.

After testing positive, Hall navigated family tensions while turning to ultramarathons, therapy, and clinical trials to stay hopeful about frontotemporal dementia.

Diane Chew writes about her husband's Lewy Body dementia diagnosis and the strategies she uses to cope with their changing relationship.