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.
The effects of caffeine are complex. I recall reading some studies that found that caffeine consumption associated with tea or coffee drinking was associated with lower rates of depression. But it is also true that heavy caffeine use can be tied to anxiety and insomnia, which could be connected to depression.