Leaf spot first appears in rainy or humid weather as the plants are growing. They look like small brown spots with a water-soaked margin surrounded by a yellow halo usually on the upper halves of the iris leaves.
Two, caffeine enhances the sensation and contractility of the bladder. Another way caffeine can affect prostate health is through its ability to irritate the bladder because it is a theoxanthine, a family of drugs that includes theobromine (found in chocolate) and theophylline (found in tea). Theophylline also stimulates and irritates the bladder.
Caffeine increases blood flow in the kidneys and affects the reabsorption capacity of salt and water. This is known as diuresis (and why caffeine is referred to as a diuretic). Some research claims it also relaxes the bladder's detrusor muscles, thus enabling easier urine flow.affeine is not a diuretic. It simply has the effect of slightly raising blood pressure and slightly increases the urine output. A real diuretic is a drug that directly affects the kidney tubules, like loop diuretics that affect the loop of henele. mr.answerman Â· 8 years ago. Thumbs up.