The latest episode of the Unbiased Science podcast, titled We are Tee-Totally Obsessed with the Science of Alcohol, takes a deep dive into alcohol’s effects on the body and its broader public health implications. Hosted by Dr. Jessica Steier and Dr. Sarah Scheinman, the discussion explores alcohol’s impact on the brain and liver, its classification as a carcinogen, and its connection to conditions such as heart disease, depression, and various types of cancer. They highlight recent calls for stronger warning labels on alcoholic beverages, citing US Surgeon General Dr. Vivek Murthy’s push to include cancer risk information similar to those found on cigarette packaging.

One of the key themes in the episode is the discrepancy between public perception and scientific evidence regarding alcohol-related risks. The hosts discuss how many people underestimate alcohol’s health dangers while fixating on far less harmful substances, such as aspartame. They also challenge the long-standing myth that moderate alcohol consumption—particularly red wine—has cardiovascular benefits, pointing to recent research debunking this claim. The conversation underscores the cognitive biases that shape public attitudes towards alcohol and the need for greater awareness of its scientifically established harms.

The podcast also delves into policy discussions surrounding alcohol regulation, including debates on lowering the legal blood alcohol content (BAC) limit for drivers in the US. While most countries have set the limit at 0.05% or lower, the US remains at 0.08%, a decision that has been linked to a higher incidence of alcohol-related traffic fatalities. The hosts reference Utah’s 2018 decision to lower its BAC limit to 0.05%, which resulted in a significant reduction in fatal car crashes. Despite opposition from the hospitality industry, data suggests that stricter BAC laws could save thousands of lives annually.

Finally, the episode touches on the growing popularity of alcohol-free alternatives, including non-alcoholic spirits and bars catering to the sober-curious movement. The hosts acknowledge that while alcohol remains deeply embedded in social culture, there is increasing recognition of its health risks and a shifting trend toward mindful consumption. They emphasize that the purpose of the episode is not to advocate for complete abstinence but to encourage informed decision-making about alcohol use. Through a balance of personal experiences and scientific evidence, the discussion provides a comprehensive look at alcohol’s true impact on both individual health and society.

Find more about Unbiased Science (USA, February 2025)