Diet News and Research

Latest Diet News and Research

Collagen protein bars show promise for safe and effective weight loss

Research being presented at this year's European Congress on Obesity (ECO 2025) and published in the journal Nutrients indicates that collagen could be a safe and effective weight-loss supplement.

12 May 2025

Simple vest could help older adults maintain weight loss long term

Wearing a weighted vest during a 6-month calorie-restricted weight loss program helped older adults with obesity regain less weight over 24 months compared to those on diet alone. This benefit may be due to better preservation of resting metabolic rate during the intervention.

12 May 2025

Tirzepatide outperforms semaglutide for weight loss in people without diabetes

A head-to-head trial found that tirzepatide led to significantly greater weight loss and waist reduction than semaglutide in adults with obesity but without diabetes. Over 72 weeks, tirzepatide helped more participants reach key weight loss milestones, with manageable side effects and strong metabolic benefits.

12 May 2025

Chokeberry juice reduces blood vessel resistance in people with pre-diabetes

A German crossover trial found that drinking polyphenol-rich red berry juice improved peripheral resistance and helped preserve muscle mass in pre-diabetic adults. No significant changes were seen in glucose control or oxidative stress over the 14-day interventions.

12 May 2025

Intermittent fasting may dampen inflammatory responses in the gums

New research presented today at EuroPerio11, the world's leading congress in periodontology and implant dentistry by the European Federation of Periodontology (EFP), suggests that intermittent fasting could help reduce inflammation in the gums and improve certain health markers, even when oral hygiene is temporarily neglected.

12 May 2025

Tirzepatide outperforms semaglutide in weight loss clinical trial

Tirzepatide (trade name Zepbound) promoted greater weight loss in individuals with obesity than did semaglutide (trade name Wegovy) in a clinical trial that compared the safety and efficacy of the injectable drugs.

12 May 2025

Research sheds light on the profound connections between diet, inflammation, and gum health

New research presented at EuroPerio11 sheds light on the profound connections between diet, inflammation, and gum health.

12 May 2025

Adverse waist-to-height ratio trajectories during childhood linked to early cardiometabolic risk

New research being presented at this year's European Congress on Obesity (ECO) in Malaga, Spain (11-14 May) reveals that adverse waist-to-height ratio trajectories (a marker for central obesity) during childhood may increase cardiometabolic and cardiovascular risk at 10 years old.

11 May 2025

Cultural comfort: How pasta became Italy’s edible happiness ritual

A multi-method study of over 1,500 Italians found that pasta consumption is consistently associated with increased happiness, especially when eaten socially. Psychological traits like mindfulness and lower stress enhanced these positive emotional effects.

11 May 2025

Vegetarians may need to watch thyroid health, especially with low iodine intake

Vegetarians had a modestly higher risk of developing hypothyroidism compared to high meat-eaters, but only after adjusting for BMI. No increased risk was seen for vegans or pescatarians in incident cases, though pescatarians showed a slight increase in baseline prevalence.

11 May 2025

Time-restricted eating may be a promising strategy for sustaining long-term weight loss

Three months of time-restricted eating (TRE), irrespective of whether it is earlier or later in the day, may be a promising strategy for sustaining long-term weight loss in adults with overweight or obesity, according to preliminary results of a randomised controlled trial being presented at this year's European Congress on Obesity (ECO) in Malaga, Spain (11-14 May).

11 May 2025

Mothers' early pregnancy weight influences kids’ BMI into adolescence

Children born to mothers with higher BMI in early pregnancy have greater weight and BMI from birth through age 10, regardless of prenatal lifestyle interventions. Paternal BMI also plays a significant role in childhood obesity risk.

10 May 2025

Study reveals colonic inflammation as the trigger for beta cell growth in obesity

Researchers at the Tohoku University Graduate School of Medicine have uncovered a key primary step in the hepatic ERK pathway that leads to increased insulin production.

9 May 2025

FDA and NIH launch joint effort to tackle diet-related chronic disease

Today, the U.S. Food and Drug Administration (FDA) and the National Institutes of Health (NIH) announced a new, joint innovative research initiative that will serve as a key element in fulfilling U.S. Department of Health and Human Services Secretary Robert F. Kennedy, Jr.'s commitment to Make America Healthy Again.

9 May 2025

Eating avocado in pregnancy cuts infant food allergy risk by nearly half

Pregnant women who ate avocado were significantly less likely to have children with food allergies at 12 months of age. The association held even after adjusting for maternal diet quality, lifestyle, and perinatal factors in a large Finnish cohort.

8 May 2025

Sleep deprivation increases inflammation linked to heart disease risk

Even a few nights with insufficient sleep increases promote molecular mechanisms linked to a greater risk of heart problems.

8 May 2025

High intake of ultra processed foods linked to early signs of Parkinson's

People who eat more ultra processed foods like cold breakfast cereal, cookies and hot dogs are more likely to have early signs of Parkinson's disease when compared to those who eat very few ultra processed foods, according to a study published in the May 7, 2025, online in Neurology, the medical journal of the American Academy of Neurology.

7 May 2025

Air pollution reshapes children’s nasal microbiome and reduces diversity in winter

A new study from Milan reveals that short-term exposure to air pollutants like black carbon and VOCs significantly alters the nasal microbiota of school-aged children. These changes vary by season, with winter exposure reducing microbial diversity and favoring potentially pathogenic bacteria.

7 May 2025

Survey shows many U.S. adults know plant-based diets improve health

Half of U.S. adults say they know eating a plant-based diet can improve their health and help prevent chronic diseases, according to a new Physicians Committee for Responsible Medicine/Morning Consult survey.

7 May 2025

Healthy diet in childhood linked to later onset of menstruation

Eating a healthy diet as a child is linked to girls having their first menstrual period at an older age than those who consumed a less healthy diet, according to a new study published today (Wednesday) in Human Reproduction, one of the world's leading reproductive medicine journals.

6 May 2025