Espresso's caffeine might keep you awake or cause disturbed sleep. Midday caffeine-free. Some can last until midday.
Caffeine's adrenaline release causes anxiety. Caffeine boosts alertness by inhibiting adenosine, a tired-making brain chemical.
Atrial fibrillation has been found in young persons who drank caffeinated energy beverages.
Diuretics cause your body to create more pee, which isn't hazardous but should be considered before a lengthy automobile travel.
Espresso's laxative action is related to gastrin, a stomach hormone that speeds up colon movement. Overdrinking may cause loose stools or diarrhoea in some persons.
Espresso is a great pre-workout pick-me-up. A caffeine dose 30 minutes before your workout can give you energy without making you feel full.
Two espressos improved memory. Subjects' long-term memory improved. The study found no benefits from drinking more than two cups.
Espresso's downsides are easy to avoid. Overdoing it is possible. Healthy persons can take 400 mg of caffeine daily. Four cups of coffee or 5-6 espressos.