Brain arteriosclerosis means the brain’s feeder pipes have grown stiff and thick from years of wear. The once-flexible walls turn leathery, so blood pulses through like water hammering in old copper plumbing. Symptoms sneak in slowly, then pile up. Morning fog is the earliest tip-off. You wake up clear-headed, but by mid-morning it feels like someone lowered a hazy curtain. Names of coworkers hover just out of reach, and you find yourself re-reading the same email three times. Mood flashes come next. A small traffic jam triggers road rage that shocks you, or a sad movie leaves you tearful for... Learn more