Medicine

Low doses of nitrous oxide may treat depression
MIT researchers can fit more drug in less pill
Beer hops could hold key to preventing common liver disease
Two opposite kinds of stroke. One promising treatment.
Hope and controversy: FDA approves first new Alzheimer's drug in decades
Blood test can quickly tell if a targeted cancer therapy works
"Light-shrinking" material cranks normal microscopes up to 11
Inhaled nanobodies treat COVID-19 in hamsters
Robot paramedics are bringing mechanical CPR to the UK
The first steps towards an allergic asthma vaccine