In a study of more than 14,000 metabolically healthy Korean people last year, scientists found early plaque buildup in the arteries of
obese subjects more often than they did in the lean ones.
Not exact matches
And the original
subjects were 20 percent
more likely than that to be
obese if a friend of a friend became
obese — even if the person connecting the two stayed slender.
Bartoshuk was surprised to find that
subjects with a history of moderate to severe middle - ear infections were 62 percent
more likely than the others to be
obese, according to data presented at the American Psychological Association meeting in August.
For example, while insulin secretion failure is by far the most prevalent at - risk phenotype in normal weight
subjects with prediabetes, fatty liver and visceral obesity become
more prevalent in overweight and
obese subjects.
The researchers found
more than 9000 genes that were either
more or less likely to be methylated depending on whether the
subject was lean or
obese.
More than half of the investigated sexually active
obese diabetic women and men complained about sexual dysfunction, which is much higher than in healthy lean
subjects (342, 343).
On the other hand, an inverse correlation between plasma adiponectin levels and insulin sensitivity is seen in
obese and diabetic
subjects, which tends to be somewhat
more pronounced in women (45 — 47).
This trial targeted
obese people in Louisiana, but since the previous study for low - carb diets had included a very low number of people of color, this trial was made much
more representative, with over 50 % of the
subjects being people of color.
In one study consisting of approximately 20,000
subjects, scientists found that both men and women were around 1.5 times
more likely to have excess weight or be
obese if they ate 5 or
more times a day, compared to 3 times or fewer.
Two studies supporting this theory — one looking at mice, the other using humans — found that a family of bacteria known as firmicutes was
more plentiful in the
obese (20 percent
more), whereas another bacteria called bacteroidetes was almost 90 percent lower in
obese subjects.
A study published in the International Journal of Obesity revealed that in just 12 weeks, 16
obese men and women on a calorie restricted diet that included three portions of yogurt a day lost an amazing 61 %
more fat and 81 %
more abdominal fat than 18
obese subjects assigned to a diet with the same number of calories but who consumed little or no high fat and calcium dairy foods like yogurt.
307
obese subjects participated with half following a low - carb diet, with a limit of no
more than 20 grams a day for three months then increasing carb intake by 5 grams each week as long as they continued to lose weight.
They chose to study
obese - er
subjects (BMI 38, compared to 34 in the Hollander study) because
obese subjects lose fat
more readily than lean people, so if the study is designed to measure fat loss, then it is better to select a population of
subjects where
more fat loss is predicted.
It is possible that the subcutaneous fat, which is known to store vitamin D3, sequestered
more of the cutaneous synthesized vitamin D3 in the
obese than in the nonobese
subjects because there was
more fat available for this process.
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).