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.
Effects on Metabolism. A little bit of caffeine can stimulate your metabolism, which is a positive if you want to lose weight. However, because coffee (and other caffeinated drinks such as tea) is a diuretic, it encourages a loss of water weight, not fat.ffects on Metabolism. A little bit of caffeine can stimulate your metabolism, which is a positive if you want to lose weight. However, because coffee (and other caffeinated drinks such as tea) is a diuretic, it encourages a loss of water weight, not fat.