Diet & Nutrition

Food and beverages provide the energy and nutrients you need to improve health, manage disease, and reduce the risk of disease. Complete nutrition requires ingestion and absorption of vitamins, minerals, essential amino acids from protein and essential fatty acids from fat-containing food, also food energy in the form of carbohydrate, protein, and fat. Dietary habits and choices play a significant role in the quality of life, health and longevity.

Is Watermelon a Superfood? Examining the Scientific Evidence

Watermelon (Citrullus lanatus) is a nutrient-dense fruit rich in lycopene and L-citrulline, with demonstrated antioxidant, anti-inflammatory, vascular, metabolic, and ergogenic benefits.

Nutraceutical Regulation

The 5:2 Diet Health Benefits

Understanding the Glycemic Index

What is the Viking Diet?

Are Low Carbohydrate Diets Good for Type 2 Diabetes?

Dietary Fiber: Health Benefits, Food Sources, and Daily Needs

Paleo vs. Keto Diets

Nutritional / Dietary Supplement

Papaya: Health Benefits

What are Nutraceuticals?

Can You Eat Too Much Fruit?

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DASH Diet for High Blood Pressure

Fast 5:2 Diet Evidence

How Many Calories Should You Eat Per Day?

Fast 5:2 Diet

How Important Is Breakfast for Overall Health?

Smarter Carts: How AI is Transforming Grocery Shopping

False Alarm Hypothesis of Food Allergy

Are Artificial Food Flavors and Colorings Harmful?

New Atkins Diet: Pros and Cons

Health Benefits of Cinnamon

Nutrigenomics: How Your Genes Influence Your Nutritional Needs and Health

Natural Protein Sources

Healthy High Fat Alternatives to Avocado

South Beach and Low-GI Diets

Benefits of Nut Consumption During Pregnancy

Recombinant Bovine Growth Hormones (rBGH) in Food

Does Red Meat Shorten Lifespan?

The Principles of the Blue Zone Diet

Can Food Allergies Ever be Psychological?

FODMAP Research

Neem - Evidence-Based Health Benefits

Portfolio Diet: Evidence-Based Steps to Reduce LDL Cholesterol

The Health Benefits of Cilantro (Coriander)

Cambridge Diet: Pros and Cons

Canola Oil: Is it Healthy?

The Vegan Diet, Ethos, Affects and Advice

What is Personalized Nutrition?

Dukan Diet: Pros and Cons

Diet for Overweight and Obese Pregnant Women

The Benefits of Healthy Fats

Raw Veganism: Health Benefits, Risks, and Challenges

Nutritional Needs of Young Children (Age 5-10)

Sources of Dietary Fiber

Diabetic Diet

Is a Hypocaloric Diet Safe and Effective for Long-Term Health?

Ginger: Health Benefits

Nutraceutical Industry

Butter versus Margarine: Which is Healthier?

Rhodiola Rosea: Evidence-Based Health Benefits and Clinical Insights

Calorie and Macro Counting

Diet for Obese Children and Teenagers

What Are the Health Benefits of Mung Beans?

Magnesium in the Diet and Body

Organic Food Health Benefits

Do Superfoods Really Exist?

What is the 5:2 Diet?

Is Food Packaging Harmful to Health?

Causes of Food Intolerance

What is a DNA Diet?

The MIND Diet Explained: Foods That Fight Cognitive Decline

What to Know About Processed and Ultra-Processed Foods

Coconut Oil: Health Benefits

What is the Military Diet?

Differences Between Natural Whole Fruit and Natural Fruit Juice

Caveman or Palaeolithic Diet

Diet Supplements and Liver Problems

Genetic Factors Impacting Nutritional Requirement

How an Anti-Inflammatory Diet Lowers Chronic Disease Risk

What is the BRAT Diet?

Tart Cherry Benefits: Fact or Fiction for Wellness and Recovery?

Macrominerals and Trace Minerals in the Diet

Food Allergies Explained

Does Eating Sea Moss Provide Health Benefits?

The Detrimental Effects of Ultra-processed Foods

What is the TLC Diet?

Natural Sources of Vitamin D and Calcium

Mediterranean Diet

Does Drinking 100% Fruit Juice Put on Weight?

Fad Diet Examples and Efficacy

Is Palm Oil Good or Bad in Diet?

Should We Eat Polished Rice?

The Flexitarian Diet: A Flexible Path to Better Health

The Importance of Dietary Fiber

Vegetarian Diets for Weight Loss

What are the Health Benefits of a Vegan Diet?

Is The Carnivore Diet Healthy?

Is Spirulina the Next Anti-Aging Superfood?

High Protein Diet

Can You Be Vegan and an Athlete

Sesame Oil Health Benefits: Examining the Diverse Roles of Lignans and Lipids

The Health Benefits of Walnuts

How Fast Food Affects Children's Health

Military Diet: Health Risks

Do NAD Boosters Help You to Live Longer?

Health Benefits of Quinoa

Foods that Reduce Oxidative Stress and Prevent Cancer

What is Clean Eating?

Food Intolerance

What to Eat on the Military Diet

Latest Diet & Nutrition News and Research

This test can see a heart attack in your future

A long list of Lynda Hollander's paternal relatives had heart disease, and several had undergone major surgeries. So when she hit her mid-50s and saw her cholesterol levels creeping up after menopause, she said, "I didn't want to take a chance."

1 Aug 2025

Copper may protect brain health after stroke

Research shows dietary copper intake boosts cognitive function in older adults, particularly those with a stroke history, highlighting its neuroprotective role.

1 Aug 2025

Scientists finally define what it means to be flexitarian

Researchers conducted a systematic review to develop a clear, evidence-based definition of the “flexitarian” diet, identifying it as consuming animal products at least once a month but less than once a week. Analysis of 42 countries’ dietary guidelines revealed that while “flexitarian” is not officially recognized, many nations implicitly support plant-forward eating by recommending reduced red meat consumption.

31 Jul 2025

New research reveals why fiber-rich diets fuel you better than refined foods

This study quantifies how much energy the human body harvests from gut microbial fermentation of dietary fiber, integrating bacterial physiology, diet, and metagenomic data. Results reveal that dietary fiber, not microbiome composition, mainly determines the amount of short-chain fatty acids absorbed, impacting daily energy and metabolic health.

31 Jul 2025

Behavioral adaptation precedes morphological change in human evolution

As early humans spread from lush African forests into grasslands, their need for ready sources of energy led them to develop a taste for grassy plants, especially grains and the starchy plant tissue hidden underground.

31 Jul 2025

Saliva testing offers a non-invasive way to detect early metabolic risk

Measuring elevated levels of insulin in blood, called hyperinsulinemia, is a proven way to measure metabolic health and can show risk of developing future health concerns, including Type 2 diabetes, obesity and heart disease.

31 Jul 2025

Artificial sweetener may undermine effectiveness of cancer treatment

Sucralose is a popular sugar substitute for people who are cutting calories or managing blood sugar levels, but new research by the University of Pittsburgh and UPMC Hillman Cancer Center suggests that the artificial sweetener may not be the best choice for patients undergoing cancer immunotherapy.

31 Jul 2025

Powerful bioactives found in overlooked Amazonian fruits

Lesser-known Amazonian fruits exhibit strong antioxidant and antimicrobial properties, highlighting their role in public health and biotechnology research.

31 Jul 2025

Metformin lowers blood sugar by acting on brain pathways

Although metformin has been the go-to medication to manage type 2 diabetes for more than 60 years, researchers still do not have a complete picture of how it works.

31 Jul 2025

Chronically ill? In Kennedy’s view, it might be your own fault

On a recent weekday evening, Ashly Richards helped her 13-year-old son, Case, with homework. He did math problems and some reading, underscoring how much he's accomplished at his school for children with autism.

31 Jul 2025

Can stacking creatine and β-alanine give you extra gains? Here’s what science says

Co-supplementation with creatine and β-alanine may enhance high-intensity exercise performance, especially in repeated short bursts. However, it offers no additional benefit over creatine alone for maximal strength, aerobic capacity, or body composition.

30 Jul 2025

Why Spirulina could be a helpful natural option for lowering blood pressure

A comprehensive meta-analysis found that consuming whole microalgae, especially Spirulina, can significantly lower blood pressure, particularly in adults with elevated levels. No significant effects were observed for macroalgae or algae extracts.

30 Jul 2025

Brisk walking for just 15 minutes a day cuts death risk in low-income adults, study shows

Fast walking for as little as 15 minutes per day was linked to a nearly 20% reduction in mortality among predominantly Black and low-income American adults. Slow walking showed minimal benefit, but prolonged slow walking reduced the risk of death from ischemic heart disease.

30 Jul 2025

Several healthy eating patterns may reduce the risk of type 2 diabetes across diverse ethnic groups

A large new meta-analysis of more than 800,000 participants to be presented at this year's Annual Meeting of the European Association for the Study of Diabetes (EASD) in Vienna, Austria (15-19 September) shows that high adherence to three well-established healthy eating patterns is linked to a lower risk of type 2 diabetes, regardless of one's ethnicity.

30 Jul 2025

Experimental drug found to be safe and effective in treating children with MIS-C

In a small trial, Mass General Brigham researchers found a drug designed to treat Celiac disease supported a more rapid return to normal activities for patients following COVID.

30 Jul 2025

Low FODMAP diet found to repair leaky gut in IBS-D patients

In a study, patients with irritable bowel syndrome with diarrhea, or IBS-D, who went on a low FODMAP diet saw an improvement of colonic barrier dysfunction, commonly known as "leaky gut."

30 Jul 2025

Most US adults have older heart age than actual age

Most U.S. adults have a "heart age" several years older than their chronological age - sometimes by more than a decade.

30 Jul 2025

New insights reveal how Candida albicans settle and persist in the gut

About 80% of people have the fungus Candida albicans in their gut. Although most of the time it persists unnoticed for years causing no health problems, C. albicans can turn into a dangerous microbe that causes serious diseases in many organs, including the urinary tract, lungs and brain.

30 Jul 2025

Patients face vitamin deficiencies years after bariatric surgery

A review reveals dangerous vitamin deficiencies post-bariatric surgery, highlighting the need for improved follow-up to prevent life-threatening complications.

30 Jul 2025

Canadian scientists trap gut microbe fuel to improve blood sugar and liver health

A team of Canadian scientists has discovered a surprising new way to improve blood sugar levels and reduce liver damage: by trapping a little-known fuel made by gut bacteria before they wreak havoc on the body.

30 Jul 2025

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Diet & Nutrition

Overview

Feature Articles

What is the Viking Diet?

Are Low Carbohydrate Diets Good for Type 2 Diabetes?

Dietary Fiber: Health Benefits, Food Sources, and Daily Needs

Paleo vs. Keto Diets

Nutritional / Dietary Supplement

Papaya: Health Benefits

What are Nutraceuticals?

Can You Eat Too Much Fruit?

DASH Diet for High Blood Pressure

Fast 5:2 Diet Evidence

How Many Calories Should You Eat Per Day?

Fast 5:2 Diet

How Important Is Breakfast for Overall Health?

Smarter Carts: How AI is Transforming Grocery Shopping

False Alarm Hypothesis of Food Allergy

Are Artificial Food Flavors and Colorings Harmful?

New Atkins Diet: Pros and Cons

Health Benefits of Cinnamon

Nutrigenomics: How Your Genes Influence Your Nutritional Needs and Health

Natural Protein Sources

Healthy High Fat Alternatives to Avocado

South Beach and Low-GI Diets

Benefits of Nut Consumption During Pregnancy

Recombinant Bovine Growth Hormones (rBGH) in Food

Does Red Meat Shorten Lifespan?

The Principles of the Blue Zone Diet

Can Food Allergies Ever be Psychological?

FODMAP Research

Neem - Evidence-Based Health Benefits

Portfolio Diet: Evidence-Based Steps to Reduce LDL Cholesterol

The Health Benefits of Cilantro (Coriander)

Cambridge Diet: Pros and Cons

Canola Oil: Is it Healthy?

The Vegan Diet, Ethos, Affects and Advice

What is Personalized Nutrition?

Dukan Diet: Pros and Cons

Diet for Overweight and Obese Pregnant Women

The Benefits of Healthy Fats

Raw Veganism: Health Benefits, Risks, and Challenges

Nutritional Needs of Young Children (Age 5-10)

Sources of Dietary Fiber

Diabetic Diet

Is a Hypocaloric Diet Safe and Effective for Long-Term Health?

Ginger: Health Benefits

Nutraceutical Industry

Butter versus Margarine: Which is Healthier?

Rhodiola Rosea: Evidence-Based Health Benefits and Clinical Insights

Calorie and Macro Counting

Diet for Obese Children and Teenagers

What Are the Health Benefits of Mung Beans?

Magnesium in the Diet and Body

Organic Food Health Benefits

Do Superfoods Really Exist?

What is the 5:2 Diet?

Is Food Packaging Harmful to Health?

Causes of Food Intolerance

What is a DNA Diet?

The MIND Diet Explained: Foods That Fight Cognitive Decline

What to Know About Processed and Ultra-Processed Foods

Coconut Oil: Health Benefits

What is the Military Diet?

Differences Between Natural Whole Fruit and Natural Fruit Juice

Caveman or Palaeolithic Diet

Diet Supplements and Liver Problems

Genetic Factors Impacting Nutritional Requirement

How an Anti-Inflammatory Diet Lowers Chronic Disease Risk

What is the BRAT Diet?

Tart Cherry Benefits: Fact or Fiction for Wellness and Recovery?

Macrominerals and Trace Minerals in the Diet

Food Allergies Explained

Does Eating Sea Moss Provide Health Benefits?

The Detrimental Effects of Ultra-processed Foods​

What is the TLC Diet?

Natural Sources of Vitamin D and Calcium

Mediterranean Diet

Does Drinking 100% Fruit Juice Put on Weight?

Fad Diet Examples and Efficacy

The Detrimental Effects of Ultra-processed Foods