Medicine

Probiotic gut bacteria can produce a vital Parkinson’s drug 
Strange treatment may restore sense of smell after COVID
A common arthritis drug treats alopecia (Updated)
Rare double lung transplant saves cancer patient’s life 
Wounds of kids with “butterfly disease” healed by DNA gel
Reversing hearing loss with regenerative therapy 
Cancer is addicted to iron. It could be a fatal weakness.
How tattoo machines could revolutionize vaccination 
Male birth control pill to enter human trials in 2022
Vaccine used to treat COVID-19 for first time