Tyrosine is a familiar name on nootropic and “brain fog” supplement labels, marketed for focus, stress resilience, and mental performance. A large new UK Biobank analysis found something considerably less
The headline number attached to nearly every obesity drug trial is a weight-loss percentage — 15% at 68 weeks, 20% at a year, and so on. A new scientific statement
By Gemifys Starting CPAP therapy is a major adjustment, and it’s genuinely common for new users to struggle in the first weeks — feeling claustrophobic, waking up with the mask
By Gemifys Hair thinning is frustrating enough on its own, but it becomes especially confusing when bloodwork points to a nutritional cause rather than androgenetic alopecia (AGA) or telogen effluvium
By Gemifys If your skin has turned dry, flaky, and tight since starting tretinoin, you’re not doing anything wrong — this is one of the most common experiences people report
It’s a genuinely confusing thing to notice: you start tretinoin because you’ve heard it’s one of the most well-studied anti-aging ingredients available, and then a few weeks in you swear
Updated September 2026: a new genetic study adds a second possible explanation for why hair shedding shows up more often on GLP-1 medications — see the new section below. If