Having very high levels of HDL is associated with increased mortality. But that doesn't mean it's not 'good cholesterol'.
We need to eat a healthy diet, do some exercise and avoid stress rather than blame saturated fat for heart disease, says a recent editorial. But does the evidence stack up?
A study claims that getting 15% of your calorie intake from walnuts can help lower LDL ('bad') cholesterol – an expert takes a closer look at the results.