In the literal sense, a red herring is a smoked kipper that's been heavily treated with salt which turned the fish red. In a metaphorical sense, a red herring refers to something misleading.
The beliefs about sodium are a bit of a red herring.
The truth is that your body needs salt. The link between cardiovascular health and sodium intake is not linear.
Listen in as Dr. Mike dishes on how sodium recommendations have been a bit of a red herring.