Tag: Individual differences

According to a 2019 review, the average adult caffeine consumption is around 173 mg per day, yet the effects vary dramatically from person to person. The answer to whether caffeine affects all people equally is a resounding no, due to a complex interplay of genetic, physiological, and environmental factors.

The EER is calculated to represent the average energy needs for a population, not specific individuals. Because of this, the Estimated Energy Requirement (EER) should be used with caution as it can inaccurately predict a person's actual daily caloric needs. This makes it a starting point for dietary planning rather than a definitive target.

The average daily calorie intake for an adult male is about 2,500, while for an adult female it is around 2,000, illustrating that people indeed need different amounts of food from the outset. These figures are broad averages, and a wide array of personal factors fundamentally influence individual nutritional requirements.