Brain health Archive

Memory changes during a migraine can be unsettling and may have several explanations. See which symptoms need prompt medical attention and follow-up.

A change in your sense of smell can have many possible explanations. Find out what factors to consider and when discussing it with a doctor may help.

When clonazepam doesn’t ease the unsteadiness of orthostatic tremor, other medicines may offer options to discuss with your doctor.

Flashes of light may be harmless, but some patterns deserve prompt medical attention.

Transparent circles or other visual changes can appear before migraine pain. Find out what these symptoms may mean and what to discuss with your doctor.

Head or neck trauma can sometimes damage key arteries supplying the brain. Find out how this rare injury might trigger a stroke in younger adults.

More than 30% of adults over 70 have amyloid or tau (proteins implicated in the development of Alzheimer’s disease) in their brains yet have no apparent cognitive problems. This may indicate greater cognitive reserve, the brain’s ability to compensate for damage.

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.

Encephalitis, or brain inflammation, can cause symptoms ranging from mild, flu‑like illness to life‑threatening confusion and coma. Causes, recovery, and urgent treatments vary by virus.

When tremors progress from a mild nuisance to disrupting daily life, specific therapies may offer relief and help steady your movements.