"Cure" is the wrong word. Autism is a neurological/developmental disorder not a disease. It is better to think of it as enhancing abilities which are deficits for people with autism, such as a proper usage of theory of mind, perspective taking, emotional regulation, stress management, etc, etc. 

Anyway, I'm part of an experimental therapy program that uses Cognitive Enhancement Therapy to help build the skill-sets and induce certain neurological activity among people with ASD's. We (the people with ASD's) work on simple games that help with attention, memory, and problem-solving skills. Said programs will work on any person, including neurotypicals. They originally used it on people with actual mental illness, people with schizophrenia, to help rebuild deteriorating brain tissue (the cause of schizophrenia.) For people with Autism, what it does it build connections that were otherwise not built. In addition to the simple computer games, we had group sessions in which we learned about concepts like perspective taking, recognizing emotions, regulating emotions, stress-management, self-defeating thinking, etc, etc. All of this does translate into higher diagnostic scores and I personally found my social skills and my ability to recognize and regulate my emotions to have improved drastically. 

A disease and a disorder are not the same thing. And both can cause disabilities. 

http://www2.hawaii.edu/~heiby/overheads_classification.html

SYMPTOM

-refers to an observable behavior or state.

-there is no implication that an underlying problem necessarily exists or that there is a physical etiology.

-the simplest level of analyzing a presenting problem.

SYNDROME

-the next higher level of analysis

-this term is applied to a constellation of symptoms that occur together or co-vary over time.

-the term carries no direct implications in terms of underlying pathology.

-Whether, in fact, certain sets of symptoms co-vary with one another is an empirical question.

DISORDER

-like a syndrome, refers to a cluster of symptoms,

-but the concept includes the idea that the set of symptoms is not accounted for by a more pervasive condition.

-As with symptom and syndrome, there is no implication of etiology

DISEASE

-a disorder where the underlying etiology is known.

-It is the highest level of conceptual understanding.

Millions do struggle with it, true, but autism can have advantages as well as disadvantages. Speaking for myself, it grants me a high level of focus and data retention on subjects of great interest to me. I have some social and motor skill impairments, but on the flipside, I was reading at an adult level before I turned 10, and I used to attend classes 5 years above my age level in school.

In my job, (Core enabler and mentor for an autism support network) I know dozens of people on the spectrum, and while each has their own challenges, they have extraordinary gifts as well. I know a girl who could tell you what day of the week it was, what she was doing, and what the weather was like on the 3rd of June 1996. I know a guy who became a published novelist before the age of 18.

Even those who tend to be written off as "low functioning" can be so much more than they appear. One of my colleagues is non-verbal and lacks the ability to speak; as a child he was presumed to be a walking vegetable, yet once he got his hands on one of those keyboards that speaks back what you write, the most incredibly insightful and intelligent words flowed forth.

Yes, there are those whose autism is so severe that it causes them suffering, but in my experience both working with autistic youth and living with it myself, it's more often a matter of being different rather than broken or less than. :)