What is neurogenesis?

Neurogenesis is the birth of new nerve cells, called neurons, in the brain. The ability to grow new neurons appears more prominent in super-agers, people 80 and older whose thinking and memory skills are as sharp as adults who are decades younger.

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The brain’s cleanup crew works while we sleep

The glymphatic system serves as the brain’s cleanup crew. It promotes the circulation of cerebrospinal fluid through the brain during deep sleep, flushing away amyloid and other proteins that can lead to neurological conditions such as Alzheimer’s, Parkinson’s disease, and Lewy body dementia.

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Navigating a doctor shortage

A 2026 study indicates a precipitous decline in the number of primary care providers in the United States accepting new patients. Without a primary care doctor, people are more vulnerable to serious medical problems and may have trouble getting regular tests and prescriptions.

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When your brain takes revenge at bedtime

Revenge bedtime procrastination involves sacrificing sleep to prioritize personal time for activities unrelated to the demands of work or caregiving. Short-term effects of insufficient quality sleep time include next-day fatigue and negative mood. Persistent sleep deprivation can increase risks of conditions such as cardiovascular disease and dementia.

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