by Carlos Ramirez-Mejia | Oct 25, 2026 | General neurology
How relationships affect your brain has a clear answer: conflict and constant complaining raise cortisol and cloud your thinking, while genuine social connection helps keep your brain active. Understanding this chemistry lets you protect your brain without giving up...
by Carlos Ramirez-Mejia | Sep 14, 2026 | Alzheimer, Deficit de Atención, Neurología General
Two recent developments are changing how neurology approaches Alzheimer’s disease: a blood test that can predict risk up to 10 years in advance, and progress in medications targeting one of its two main drivers. In a recent TV segment, I discussed both findings...
by Carlos Ramirez-Mejia | Aug 25, 2026 | Sleep Medicine
If you wake up almost every night around the same early-morning hour, wide awake with your mind racing, you’re not alone. There are several real explanations behind this pattern — some historical, some very modern — and the good news is that most of them can be...
by Carlos Ramirez-Mejia | Aug 17, 2026 | General neurology
Your gut isn’t just where you digest food. It contains its own nervous system, complex enough to have earned the nickname “second brain” — and it helps explain why quitting sugar feels, for many people, like a real withdrawal syndrome. Your Gut, Your...
by Carlos Ramirez-Mejia | Aug 7, 2026 | General neurology
Extreme heat doesn’t just make you sweat and feel uncomfortable — it measurably changes how your brain functions. In a recent television interview, I explained why high temperatures affect your focus, your mood, and even your ability to make good decisions. Why...
