Brain health Archive

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.

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

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.

Tingling, leg weakness, and voice changes can be alarming. Learn how doctors sort out these symptoms and when Parkinson's disease may be suspected.

Muscle tightening or jerking during a severe migraine can have several explanations. Learn about the possible causes.

Wondering if sour cream, yogurt, nuts, peanut butter, or other foods are migraine triggers? Learn which foods are proven culprits and how to spot your triggers.

Depression and migraines often travel together, with each able to worsen the other.