How to find the best diet that works for you [Video]

With dieting, the conventional wisdom says a person needs to be in calorie-deficit mode to lose weight. If you eat more calories than you burn, you gain weight; if you eat fewer calories, you lose weight.

But is that view really right? Doesn’t the kind of food you consume (keto, low-fat, vegan, etc.) and how often you eat (time-restricted eating versus six small meals) matter, too?

Many studies have shown the conventional wisdom — calories in, calories out — is mostly true.

• Top health headlines, all in one place

• Top science and technology headlines, all in one place

“It is not the only thing, but it is the main thing. And it’s mostly diet, not exercise, because exercising makes you hungrier and you eat more calories,” Christopher Gardner, the Rehnborg Farquhar professor of medicine at Stanford University, told CNN Chief Medical Correspondent Dr. Sanjay Gupta on the podcast “Chasing Life” recently.

Gardner, who is also the director of nutrition studies at the Stanford Prevention Research Center, …