Health

New nasal spray aimed at reversing fentanyl overdoses is now approved
A new overdose-reversing spray that works fast but lasts longer has been approved by the FDA, and will be available by the fall at earliest.
Paralyzed man walks again using only his thoughts 
A man with paralyzed legs is walking again thanks to a “digital bridge” between his brain and a spinal stimulator.
Do we finally know what causes Alzheimer’s?
The first treatments proven to slow cognitive decline in Alzheimer’s are helping settle a decades-long debate about how the disease starts.
New gel destroys brain cancer in 100% of treated mice
Emotions get better with age
This brain image is 64 million times sharper than standard MRI
Two African countries first to approve Oxford’s malaria vaccine, with 20 million doses on the way
How frontotemporal dementia, the syndrome affecting Bruce Willis, changes the brain
Hollow “seed” shrinks cancerous tumors from the inside
The imagination effect: A history of placebo power
A mosquito factory will create billions of biters in Brazil
Dementia patients are “rallying” just before death. Scientists want to know why.
Dignity therapy: Making the last words count