Trendy celeb diet without calorie counting cuts risk of diabetes, study shows

Eating only during daytime hours reduces risk of diabetes, according to new research. Limiting meal times to an eight-hour window improves sensitivity to insulin – the hormone that takes sugar out of the bloodstream.

The trendy diet fad boosts metabolism of glucose in muscles and other tissues. Proponents include Gisele Bundchen, Jennifer Aniston, Kourtney Kardashian and Scarlett Johansson. They go without food between certain hours – or on specific days.

Corresponding author Professor Krista Varady said: “Obesity is a major health issue. Many traditional weight loss diets involve counting calories, which can be cumbersome and difficult to do well.

“Time-restricted eating, without calorie counting, has become a popular weight loss strategy because it is simple to do. Whether it’s effective in producing weight loss, especially beyond the short term, is unclear.”

Modern 24/7 lifestyles have led to endless food availability and disrupted day-night rhythms resulting from poor sleep and exposure to artificial light. People often spread meals over a 14-hour period – with an absence of true night-time fasting.

The factors contribute to the metabolic disorder. It typically develops in middle age – with unhealthy lifestyles playing a major role. Time-restricted eating (TRE) has become a fashionable dieting plan – with some increasing daily fasting spells for up to 16 hours.

The University of Illinois Chicago team studied 90 obese adults from the city. They were randomly assigned to eating from noon to 8pm only, reducing calorie intake by a quarter or eating as usual over ten hours or more throughout the day. The first two groups also met regularly with a dietician.

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