Doug Lisle
PhD. Clinical psychologist; research director at TrueNorth Health Center; co-wrote The Pleasure Trap.
Lisle brings a psychologist's view to low-fat whole-food eating. He argues weight problems are not psychological: concentrated food fools the body's fullness signals.
Whose words we use: His own talks and videos.
Evidence behind the weight-loss advice: No studies of his own; clinical experience.
Positions by topic
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Calorie density
Choosing foods with fewer calories per pound is the main way to lose weight without counting calories.
AgreesLisle says you never need to eat less than your hunger asks: make the diet less calorie-dense and the body loses weight on its own. His explanation: rich food, fat most of all, gets past the signals that normally tell the stomach it is full.
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Nuts and seeds
Nuts and seeds should be cut out or strictly limited for weight loss.
AgreesLisle says nobody needs nuts and finds the short nut trials unconvincing. For people stuck above their goal he suggests dropping nuts, bread and pasta, then adding some back once at goal.
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Oil
Added oil should be cut out completely for weight loss.
AgreesLisle calls fat slipping past fullness the number one weight problem, citing a study where oil on pasta added about 300 calories with no extra fullness. Apart from weight, he worries about oil mainly when it is heated.