Fentanyl does not need much room to kill. A dose the size of a few grains of salt can slow breathing until it stops. The drug is up to 100 times more potent than morphine. Mixed invisibly into pills ...

After decades of slow progress in understanding and developing effective treatments for Alzheimer’s disease, scientists are ...

Could a simple blood test predict your risk of getting dementia years, or even decades, before you experience memory loss?

Turns out, Chronic Fatigue Syndrome (CFS) and long COVID have a few things in common. For one, they're notoriously tricky to diagnose. So when researchers said they developed a blood test that may be ...