Move a deciduous tree in early spring before it begins to leaf out or early fall after the leaves begin to turn color. Donât move evergreens during a growth flush or in the fall when itâs too late for them to become established before winter weather arrives. Late summer is usually a good time to move evergreens.
Caffeine is a central nervous system stimulant that reduces fatigue and drowsiness. At normal doses, caffeine has variable effects on learning and memory, but it generally improves reaction time, wakefulness, concentration, and motor coordination.
Caffeine is undeniably an effective central nervous system stimulant. It stimulates the brain, increases the secretion of adrenaline (epinephrine), and boosts heart rate. Although relatively safe, long-term use in excess of 250 to 300 mg daily may cause numerous health problems.