It depends on the case; there is no single guideline.
Precautions
Starting to drink for health reasons is not recommended.
Effect by goal · level of evidence
Cognition and dementia
associationLow-moderatestudy (A)
Review: the relationship between alcohol and cognition appears U-shaped: high, frequent consumption damages the brain and lowers performance, whereas light-to-moderate consumption might be associated with some protection. Note: the supposed benefit of moderate consumption is heavily debated (possible biases).
⚠️ Starting to drink for health reasons is not recommended.
Findings
Cognition and dementia — association (Low-moderate, study). Review: the relationship between alcohol and cognition appears to be U-shaped: heavy, frequent drinking harms the brain and lowers performance, whereas light-to-moderate drinking might be associated with some protection. Note: the supposed benefit of moderate drinking is highly debated (possible biases). 28950395
Information, not medical advice. Prescription drugs require a doctor.
Information, not medical advice. Scientific evidence reflects the quality of the studies.