Excessive caffeine consumption can lead to negative effects for which of the following?

Excessive caffeine consumption can lead to negative effects for all individuals regardless of health status due to the stimulant properties of caffeine and its pharmacological effects on the body. Caffeine can cause a range of adverse reactions, including insomnia, increased heart rate, nervousness, digestive issues, and in severe cases, anxiety disorders or addiction.

While certain populations, such as children, adolescents, and pregnant individuals, are particularly sensitive to caffeine and may experience heightened risks, such as developmental impacts or complications during pregnancy, the overarching point is that excessive consumption can adversely affect anyone. Different individuals may react to caffeine in varied ways based on their unique physiological makeup, tolerance levels, and existing health conditions.

This broad recognition of potential negative effects emphasizes the importance of moderation in caffeine intake for everyone, as risk factors can manifest in any demographic group. Thus, the correct answer encompasses all individuals, highlighting the universal need for caution concerning caffeine consumption.