Gene Stratton-Porter's Biography. American feministâ photographerâ one of Indiana's most famous female authors. Stratton-Porter's moralistic and romantic novels have been translated among others into Finnish and Swedish. By the time of her deathâ her books sales had topped ten million copies.
That's roughly the amount of caffeine in four cups of brewed coffee, 10 cans of cola or two energy shot drinks. Although caffeine use may be safe for adults, it's not a good idea for children. And adolescents should limit themselves to no more than 100 mg of caffeine a day.Even among adults, heavy caffeine use can cause unpleasant side effects. And caffeine may not be a good choice for people who are highly sensitive to its effects or who take certain medications.eavy daily caffeine use â more than 500 to 600 mg a day â may cause side effects such as: 1  Insomnia. 2  Nervousness. 3  Restlessness. 4  Irritability. 5  Stomach upset. 6  Fast heartbeat. 7  Muscle tremors.
The EFSA Scientific Opinion on Caffeine suggested that caffeine intakes of 3 mg/kg body weight per day provides a basis for calculating caffeine intakes of no concern for children and adolescents. In UK children (5-10 years) the daily intake of caffeine was 12 mg/day at the age of 7 and 24 mg at the age of 10 years. Fifty-four percent of the caffeine absorbed came from soft drinks, 8% from tea and 38% from chocolate foods or beverages. None came from coffee 11.