Leaf spot is a very common disease that affects irises in our area. It can affect bulbous and rhizomatatous types of irises, but is most often a problem on bearded irises. Leaf spot is caused by the fungus Mycosphaerella macrospora, which was formerly known as Didymellina macrospora.
A few cups of coffee throughout the day can make a real difference. Some studies have found that caffeine can boost concentration for people with ADHD. Since itâs a stimulant drug, it mimics some of the effects of stronger stimulants used to treat ADHD, such as amphetamine medications.However, caffeine alone is less effective than prescription medications.educed Blood Flow to the Brain. Caffeine is also a vasoconstrictor. That means it makes blood vessels smaller and reduces blood flow. This reduced blood flow is why caffeine helps headaches. Amphetamine medications used to treat ADHD also make blood vessels smaller.
Caffeine may also increase the amount of epinephrine, also known as adrenaline, in your body. If youâve ever drunk to much coffee, you may be familiar with the jitters, your heart racing, frequent trips to the bathroom and an upset stomach. These are all side effects of caffeine blocking adenosine. As with all drugs, too much of a good thing is a bad thing! CAFFEINE-FREE PAIN RELIEVERS. There are plenty of medications that donât have caffeine, such as acetaminophen (Tylenol), ibuprofen (Advil, Motrin) and naproxen (Aleve). Some people are much more sensitive to caffeine than others, so I recommend taking something with caffeine during the evening hours only if you can tolerate the stimulant effect.