Medicine

Transplants of lab-grown brain cells reduce Parkinson’s symptoms
Artificial kidney aces test in pigs
Potential heart attack treatment discovered in human placentas
To stave off Alzheimer’s, protect your brain’s mitochondria
World-first experiment shows genetically engineered bacteria detecting cancer
Weight-loss drug improves heart failure symptoms, too
New obesity treatments could reshape the world
One-shot gene therapy for liver disorder works in a small trial
Extreme treatment for alcoholism slashes drinking by 90% in monkeys
Scientists make pain relievers like Tylenol from pine trees rather than fossil fuels