5,000 Steps a Day May Help Protect the Brain From Alzheimer’s, Study Finds

Getting in more daily steps may help slow early brain changes linked to Alzheimer’s disease, a new long-term study suggests.

Researchers followed nearly 300 older adults for up to 14 years and found that people who already showed high levels of beta-amyloid (an early sign of Alzheimer’s) lost memory and thinking skills more slo...

Top FDA Drug Chief Resigns While Under Investigation

The head of the U.S. Food and Drug Administration’s (FDA) drug division has resigned while under internal investigation, saying he was pushed out after raising concerns about how the agency planned to fast-track some new drugs.

Dr. George Tidmarsh, who joined the FDA in July, stepped down Sunday, The New York Times reported....

Family Recordings Might Ease ICU Delirium

A comforting voice from home might be enough to soothe ICU patients on ventilation, a new study says.

As many as 4 in 5 ICU patients on mechanical ventilation develop delirium, or sudden confusion, panic, upset and anger.

But playing recorded messages from a family member can reorient patients and help them remain calm, researchers r...

Meat Allergy Caused By Tick Bites Becoming More Common In US, Experts Say

A once-rare meat allergy caused by tick bites is dramatically increasing across the United States, researchers said.

There’s been a 100-fold increase in positive test results for the allergy, called alpha-gal syndrome, between 2013 and 2024, researchers reported last week at the American College of Gastroenterology’s annual mee...

Tobacco Still Top Cancer Killer, Despite Falling Smoking Rates

Tobacco remains the leading preventable cause of cancer death in the U.S., despite a dramatic decline in smoking, a new American Cancer Society report says.

More than 80% of lung cancer deaths are linked to tobacco, according to data from the inaugural release of the American Heart Association’s U.S. Tobacco Atlas.

Tha...

AI-Powered Smartwatch Can Detect Heart Disease

Artificial intelligence (AI) can use smartwatch data to detect heart disease, a new study says.

AI fed heart sensor data from an Apple Watch accurately detected heart problems like weakened pumping ability, damaged valves or thickened heart muscle, according to findings that will be presented Nov. 7 at the American Heart Association’...