Sex, puberty affects caffeine response in teens

In a study involving 50 prepubescent boys and girls aged 8–9 years and 46 postpubescent teenagers aged 15–17 years, researchers randomly allocated subjects to drink either a caffeinated soft drink, with dosages of 1–2mg/kg, or a placebo soft drink. Post-drink measurements of heart rate and blood pressure were then compared with baseline measurements.

# Tags