American Crabapple Malus coronaria. A deciduous tree from the Rose Family (Rosaceae) Crabapple, American. American Crabapple, also known as Wild Crabapple or Sweet Crabapple, is present throughout all of Ohio, and predominates as a spreading tree native to the upper two-thirds of the Eastern United States, especially the Midwestern States.
The symptoms of caffeine overdose might include restlessness, nervousness, excitement, flushed face, insomnia, cardiac arrhythmia (or irregular heartbeat), muscle twitching, irritability, gastrointestinal problems, and a rambling flow of thought and speech.
In some people, even moderate caffeine consumption can cause blood sugar to rise or drop, resulting in blurred vision. Common symptoms of blurred vision include the inability to see clearly, which may cause you to rub your eyes or squint.