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The Express Gazette
Thursday, September 17, 2026

Caffeine's Buzz: Genes, Habits, and Lifestyle Play Key Roles

Individual responses to caffeine are influenced by a combination of genetic factors, personal habits, and lifestyle choices.

US Politics 3 hours ago
Caffeine's Buzz: Genes, Habits, and Lifestyle Play Key Roles

Scientists explain that the varying effects of caffeine on individuals can be attributed to a trifecta of factors: personal caffeine habits, overall lifestyle, and a significant genetic component over which people have no control. These elements collectively determine whether someone experiences a pronounced buzz or a milder effect from the popular stimulant.

While the precise mechanisms are complex, research indicates that genetic predispositions can influence how efficiently a person metabolizes caffeine and how sensitive their body is to its effects. This means that two individuals consuming the same amount of caffeine could have vastly different experiences.

Beyond genetics, consistent caffeine consumption patterns and broader lifestyle choices, such as diet and sleep quality, also contribute to an individual's response. These factors can modulate the body's reaction to caffeine over time. The interplay between these genetic and environmental influences means that there is no one-size-fits-all answer to how caffeine impacts individuals.


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