A two-year trial found high-dose DHA raised a brain fluid marker in older adults at risk for dementia, but memory and brain scans stayed flat.
In a 112,395-person French cohort, higher preservative exposure was tied to more hypertension and some cardiovascular disease. It does not prove cause.
Higher midlife vitamin D was linked to less tau buildup on brain scans 16 years later, but not to amyloid.
A kimchi probiotic may be the gut’s tiny bouncer. Early lab and mouse research suggests it could grab nanoplastics in the gut and help escort them out before they overstay their welcome.
Keratin films from sheep wool helped guide enamel-like minerals into order in the lab, hinting at a future tooth repair option.
A randomized trial found that extending overnight fasting by 3 hours improved nighttime blood pressure dipping, heart rate, and glucose response, but not weight or sleep.
Pulse-based sourdough raised protein, amino acids, and bioactive compounds in wholewheat bread, but it also made loaves denser.
Older adults who ate eggs more often had a lower Alzheimer’s dementia risk, and choline may help explain part of the link.
Caffeinated coffee and tea were linked with lower dementia risk and modestly better cognition, while decaf coffee was not.
A small study found that natural daylight improved glucose control and fat burning in adults with type 2 diabetes.
A cohort study found that doing more kinds of exercise was linked to lower death risk, even after total activity was considered.
