Antidiuretic hormone stimulates water reabsorbtion by stimulating insertion of water channels or aquaporins into the membranes of kidney tubules. These channels transport solute-free water through tubular cells and back into blood, leading to a decrease in plasma osmolarity and an increase osmolarity of urine.
Sulfates & Additives. Sulfates added into processed foods and occurring naturally have been shown to trigger asthma attacks. These can be found in lemon juice, processed potatoes, dried fruits and vegetables and pickled foods.
There are three major groups of triggers: 1  Infections such as colds and sinus infections. Every asthma patient has a problem with this trigger. 2  Allergies to pollen (tree, grass, weeds), molds, pets, dust mites and cockroaches. 3  Irritants such as tobacco smoke and chemical fumes from heaters.