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Casey Harrell was losing his ability to speak due to amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig’s disease.

“Not being able to communicate is so frustrating and demoralizing. It is like you are trapped,” said Harrell, 45.

But a new brain-computer interface is allowing Harrell to speak to others once more, with his brain providing the words and a ...

Some comatose patients with severe brain injury might be paying closer attention to their surroundings than previously thought, a new study says.

About 1 in 4 patients respond to instructions covertly, with their brains showing activity even though their bodies aren’t moving, researchers found.

When asked to imagine opening and closing their hand, those comatose patients disp...

Untreated high blood pressure in your 60s could raise your risk for Alzheimer's disease later, new research shows.

The good news: Simple steps can ease hypertension, researchers said.

The global study found that "taking blood pressure medications was associated...

Eating a healthy diet that dampens inflammation in the body could lower your odds for dementia, especially if you already have heart risk factors, a new Swedish study shows.

So-called anti-inflammatory diets focus on foods like vegetables, fruits, whole grains, fish and beans and include heart-healthy regimens such as the Mediterranean diet.

In a study involving more than 84,000 old...

Drinking can increase a senior’s risk of a brain bleed following a fall, even if they only occasionally imbibe, a new study finds.

In fact, the risk of a brain bleed increases with a senior’s level of drinking, researchers found.

Occasional or weekly drinking doubled a pers...

Many people with Parkinson's disease may fear dementia as a common consequence of the disease.

But new research suggests dementia is not inevitable with Parkinson's, and in fact is less common than presumed.

If dementia does occur, it typically does so much later in life than was previously assumed, the study also found.

“These results provide more hopeful estimates of ...

Wildfire smoke could interfere with the safety of surgeries, a new study warns.

Inhaling the smoke could complicate the effects of anesthesia on surgical patients, and it also might hamper their recovery, researchers reported Aug. 6 in the journal Anesthesiology.

“Wildfire smoke poses significant health risks, particularly in people with preexisting heart and lung dis...

Folks who rub their forehead and complain that a complex problem is making their brain hurt aren’t overstating things, a new review suggests.

Mental exertion appears to be associated with unpleasant feelings in many situations, researchers reported Aug. 5 in the journal Psychological Bulletin.

Skip the bacon and those holiday hot dogs: A new study finds eating processed red meats raises your odds for dementia.

Overall, just two servings per week of processed red meat was linked to a 14% rise in dementia risk, compared to folks who ate less than three servings per month.

The finding made sense to Heathe...

Artificial intelligence is adding new luster to the old-fashioned EEG brain scan, increasing the potential usefulness of the century-old medical test, a new report says.

The EEG, or electroencephalogram, tracks brain activity through a dozen or more electrodes stuck to the scalp. It is often used to detect