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.
Study: Parenthood seems to rewire gray matter
World’s first vaccine for RSV approved in the US
The first fecal transplant pill is heading to pharmacies
Ancient viruses in the human genome can help fight cancer
Complex brain activity detected in dying patients
New Alzheimer’s drug slows cognitive decline by 35%
Earbud-like tech will monitor sleep for signs of Parkinson’s
Gene therapy reverses vision loss in primates — by making their eyes young again
The vicious cycle of food and sleep
Scientists discover “anxiety gene” in the brain — and a natural way to turn it off