Last few days saw the discoveries of potential cure for 2 major diseases.

Cure for Autism and Metal retardation / Fragile X
BBC reported this discovery by MIT’s Picower Institute of Learning and Memory. The potential treatment would still be effective even after symptoms are already pronounced.

Breakthrough Synthetic Enzyme to snip HIV DNA out of chromosomes
Scientific American reported this potential HIV cure quoting Boston based Dana-Farber Cancer Institute Virologists. They have told SciAm - and I quote - “This is the first demonstration of actual removal of the integrated virus from cells”.