A Brazilian man infected with the AIDS virus has shown no sign of it for more than a year since he stopped HIV medicines.

Researchers have now created tiny shape-changing microrobots that can deliver medications directly to the cells where they’re needed.

About one-fourth of people with diabetes develop painful foot ulcers, which are slow to heal due to low oxygen in the wound and inflammation

Cystic fibrosis is characterized by the build-up of thick, sticky mucus in the lungs which renders breathing increasingly difficult.