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.
Series| Superhuman
Father makes 3D heart for daughter
The mom who will stop at nothing to save her daughter's life
Why advanced cancer patients need genetic sequencing
Karen Aiach on doing the impossible
Three women who changed the way we think about medicine