Food Features
What trials show about everyday foods, including olive oil, nuts, oats and fermented vegetables.
Olive oil: what the trials actually used
The oils, amounts and outcomes used in human trials, with laboratory markers separated from heart events.
Oats and cholesterol: how much beta-glucan matters?
Oat beta-glucan, the amount studied and the difference between fiber grams and a bowl of porridge.
Nuts and heart health: cholesterol and trial evidence
Tree nuts, LDL cholesterol and cardiovascular trials, with serving amounts and study lengths stated.
Fermented foods: what gut studies found
Kimchi, yogurt and kefir. What feeding studies found about gut bacteria.