Asthma is an auto-immune disease; it has nothing to do with weight, or 'second hand smoke.'
They are unable to reasonably analyse a simple cause-effect question. - The possible connection with weight is simple:
Auto-immune diseases are usually due to self-hatred, or self-disatisfaction. - Can extreme obesity bring about this situation? - Is this somehow profound?
The AMA Shammen make me sick (and keep everyone sick too!)
Would you care cite a (non-quack) source for this claim?
You hit the nail right on the head!