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.
How Caffeine Affects the Body Clock. Evening consumption of the drug leads human circadian rhythms to lag. Coffee, tea, and other caffeinated drinks can make a person feel more awake and alert, but new research suggests that, when consumed in the evening, caffeine might also delay the bodyâs internal clock.