Insulin resistance and oxidative stress in the brain: what’s new?

Globally, neurodegenerative disorders impose an enormous economic impact. Their primary characteristic is a buildup of changed proteins that may set off various biological reactions, including inflammation, oxidative stress, signaling pathway regulation, and excitotoxicity. In the past ten years, these illnesses have been extensively researched to create symptom-oriented treatments. Nevertheless, as of yet, no effective treatment […]

While ultraprocessed foods (UPFs) have been linked to several chronic illnesses, their connection to early signs of Parkinson’s disease (PD) is not well understood. This study by Wang et al. (2025) investigated whether long-term UPF intake is associated with nonmotor symptoms indicative of prodromal PD. Data from individuals without Parkinson’s disease (PD) from two large […]