8 articles in this topic
Discover how vitamin B12 keeps your nervous system healthy, why older adults are at higher risk of deficiency, and simple steps to protect your brain as you age.
Meet microglia — your brain's built-in immune defenders — and discover how they change with age, sparking the chronic inflammation linked to memory loss and cognitive decline.
Discover how your brain's immune system — called the complement system — works to protect you, and why it sometimes causes more harm than good as you age.
Discover the unsung heroes of your brain — astrocytes — and learn how their partnership with neurons powers your thinking, memory, and long-term brain health.
Deep inside your brain sits a tiny region that acts like a master control center for aging. Discover how the hypothalamus influences your lifespan — and what you can do to keep it young.
Explore what actually happens inside your brain as you get older — from shrinking neuron networks to shifting brain chemicals — and discover why some people stay mentally sharp well into their 80s and beyond.
Discover how your brain flushes out toxic waste while you sleep — and why this nightly cleanup is one of the most important things you can do for long-term brain health.
Discover how your sleep cycles control growth hormone production and why deep sleep is crucial for cellular repair and longevity.
