Good morning, Houston. Does all this rain make you feel like crap? There may be a medical reason: It's called non-allergic rhinitis, and it can be triggered by changes in air pressure — you know, the kind that accompany bad weather. Rhinitis symptoms are a lot like those that come with allergies: congestion, sinus pressure and post-nasal drip. Decongestants, saline washes and nasal sprays can help, but the only thing that'll really make you......