As memory grows in RAG systems, accuracy quietly drops while confidence rises — creating a failure that most monitoring systems never detect. This article walks through a reproducible experiment showing why this happens and how a simple memory architecture fix restores reliability. The post Your RAG Gets Confidently Wrong as Memory Grows – I Built …
Nature Medicine, Published online: 21 April 2026; doi:10.1038/s41591-026-04349-y A study shows that extensively limiting plastic use in food systems, diet and daily life can reduce exposure to plastic-associated chemicals such as phthalates and bisphenols, indicating that large-scale regulatory actions are needed for true public health impact. Read More
Nature Medicine, Published online: 21 April 2026; doi:10.1038/s41591-026-04342-5 An analysis of exposome traits in patients with early-onset colorectal cancer (CRC) (<50 years) compared with late-onset CRC (≥70 years) based on epigenetic markers shows that pesticide usage, in particular of picloram, is associated with early-onset CRC. Read More
Nature Medicine, Published online: 21 April 2026; doi:10.1038/s41591-026-04329-2 Is AI actually improving healthcare? Read More
Nature Medicine, Published online: 21 April 2026; doi:10.1038/s41591-026-04335-4 A trial built around one baby is showing how patient-driven research can go mainstream. Read More