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3 papers analyzed
These studies suggest that moderate caffeine consumption up to 400 mg per day is generally safe for most healthy adults, while excessive intake can lead to various health issues.
19 papers analyzed
Caffeine is one of the most widely consumed psychoactive substances globally, found in various beverages and foods. While moderate caffeine consumption is generally considered safe for most adults, excessive intake can lead to adverse health effects. This synthesis aims to determine how much caffeine is too much by analyzing findings from multiple research papers.
Safe Consumption Levels for Adults:
High Caffeine Consumption Risks:
Special Populations:
For most healthy adults, consuming up to 400 mg of caffeine daily is generally safe and not linked to significant health risks. However, chronic high intake (around 950 mg/day) can negatively impact cerebral blood flow and lead to other health issues. Special populations, such as reproductive-aged women and children, should adhere to lower intake limits to avoid potential adverse effects.
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