In one study,
obese test subjects were given a low - carb ketogenic diet and a low - fat diet.
Not exact matches
Secondly, bitter taste stimulates the secretion of polypeptide YY (PYY), which reduces food intake in
subjects of normal weight, so researchers decided to
test the effects of the peptide infusion on the appetites of 12
obese and 12 lean
subjects in a double - blind, placebo - controlled crossover study.
In these 2 studies, 6
obese, untrained
subjects and 5 highly trained bicycle racers were
tested for fitness and endurance at baseline, and then given 1.2 to 1.75 g of protein per kg of reference weight for 4 - 6 weeks of a ketogenic diet.
A more formal study that did evaluate the effects of a ketogenic diet confirmed the efficacy of carbohydrate restriction: in a small prospective cohort,
obese subjects began a ketogenic diet after undergoing a 24 - hour esophageal pH probe
test (which measures the pH of the esophagus).