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Contact • The Nutrition Source
Jan 29, 2026 - Please note that we are unable to provide personal dietary advice. Organizations such as the Academy of Nutrition and Dietetics can help you find credentialed
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https://nutritionsource.hsph.harvard.edu/healthy-weight/measuring-fat/
Body Fat • The Nutrition Source
Jan 17, 2025 - We may not appreciate body fat, especially when it accumulates in specific areas like our bellies or thighs. But fat is an important source of stored energy
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https://nutritionsource.hsph.harvard.edu/healthy-longevity/
Healthy Longevity • The Nutrition Source
Jan 17, 2025 - Longevity is the achievement of a long life. We may hope for longevity so that we can experience many years of quality time with loved ones or have time to
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https://nutritionsource.hsph.harvard.edu/disease-prevention/diabetes-prevention/
Diabetes • The Nutrition Source
Jan 17, 2025 - Jump to:–What is diabetes?–Types and risk factors:––Type 1 diabetes––Latent autoimmune diabetes of adults (LADA)––Gestational diabetes––Prediabetes––Type 2
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https://nutritionsource.hsph.harvard.edu/what-should-you-eat/fats-and-cholesterol/types-of-fat/
Types of Fat • The Nutrition Source
Nov 14, 2025 - Unsaturated fats, which are liquid at room temperature, are considered beneficial fats because they can improve blood cholesterol levels, ease inflammation,
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https://nutritionsource.hsph.harvard.edu/what-should-you-eat/fats-and-cholesterol/types-of-fat/omega-3-fats/
Omega-3 Fatty Acids: An Essential Contribution • The Nutrition Source
Nov 7, 2024 - The human body can make most of the types of fats it needs from other fats or carbohydrates. That isn’t the case for omega-3 polyunsaturated fatty acids (also
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https://nutritionsource.hsph.harvard.edu/healthy-child-care/
Healthy Child Care Settings • The Nutrition Source
May 1, 2025 - Early childhood (ages 2-5) is an important time for fostering healthy behaviors, as children are developing taste preferences and eating habits that may track
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https://nutritionsource.hsph.harvard.edu/carbohydrates/
Carbohydrates • The Nutrition Source
Aug 5, 2025 - What’s most important is the type of carbohydrate you choose to eat because some sources are healthier than others. The amount of carbohydrate in the diet –
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https://nutritionsource.hsph.harvard.edu/water/
How Much Water Do You Need? • The Nutrition Source
Sep 4, 2025 - There are many options for what to drink, but water is the best choice for most people who have access to safe drinking water. It is calorie-free and as easy
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https://nutritionsource.hsph.harvard.edu/
Home • The Nutrition Source
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https://nutritionsource.hsph.harvard.edu/sustainability/
Sustainability • The Nutrition Source
Jan 14, 2025 - Sustainability is a multifaceted issue, in which the food production system and our diets play a crucial role. Achieving a healthy and sustainable food future
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https://nutritionsource.hsph.harvard.edu/2006/02/09/low-fat-diet-not-a-cure-all-womens-health-initiative/
Low-Fat Diet Not a Cure-All • The Nutrition Source
Jan 23, 2025 - Results from large, long Women's Health Initiative Dietary Modification Trial shows no effect on heart disease, breast cancer, colorectal cancer, or weight.
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https://nutritionsource.hsph.harvard.edu/food-features/
Food Features • The Nutrition Source
Aug 5, 2025 - Did you know that references to yogurt and health date all the way back to 6000 BCE? Or that before its dramatic rise in popularity, kale was more often used
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https://nutritionsource.hsph.harvard.edu/about/
About • The Nutrition Source
Oct 31, 2025 - The Nutrition Source is a leading authority on food and nutrition knowledge, providing science-based guidance for healthy living.
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https://nutritionsource.hsph.harvard.edu/what-should-you-eat/vegetables-and-fruits/
Vegetables and Fruits • The Nutrition Source
May 16, 2025 - A diet rich in vegetables and fruits can lower blood pressure, reduce the risk of heart disease and stroke, prevent some types of cancer, lower risk of eye
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https://nutritionsource.hsph.harvard.edu/what-should-you-eat/fats-and-cholesterol/cholesterol/
Cholesterol • The Nutrition Source
Nov 7, 2024 - Fat and cholesterol can’t dissolve in water or blood. Instead, the body packages fat and cholesterol into tiny, protein-covered particles called lipoproteins.
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https://nutritionsource.hsph.harvard.edu/food-features/dark-chocolate/
Dark Chocolate • The Nutrition Source
Sep 5, 2025 - No introductions are needed for this highly treasured food that dates back to 2000 BC. At that time, the Maya from Central America, the first connoisseurs of
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https://nutritionsource.hsph.harvard.edu/what-should-you-eat/fats-and-cholesterol/
Fats and Cholesterol • The Nutrition Source
Nov 14, 2025 - When it comes to dietary fat, what matters most is the type of fat you eat. Contrary to past dietary advice promoting low-fat diets, newer research shows that
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https://nutritionsource.hsph.harvard.edu/vitamin-d/
Vitamin D • The Nutrition Source
Oct 24, 2024 - Vitamin D is both a nutrient we eat and a hormone our bodies make. It is a fat-soluble vitamin that has long been known to help the body absorb and retain
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https://nutritionsource.hsph.harvard.edu/cancer/
Cancer • The Nutrition Source
Jan 17, 2025 - Jump to:–What is cancer?–Types and risk factors–Reducing cancer risk:--Screening--Vaccines--Lifestyle
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https://nutritionsource.hsph.harvard.edu/healthy-weight/best-diet-quality-counts/
The Best Diet: Quality Counts • The Nutrition Source
Aug 5, 2025 - “A calorie is a calorie” is an oft-repeated dietary slogan, and not overeating is indeed an important health measure. Rather than focusing on calories
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https://nutritionsource.hsph.harvard.edu/sustainability/food-waste/
Food Waste • The Nutrition Source
Jan 17, 2025 - Food waste occurs along the entire spectrum of production, from the farm to distribution to retailers to the consumer. Reasons include losses from mold,
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https://nutritionsource.hsph.harvard.edu/what-should-you-eat/protein/
Protein • The Nutrition Source
May 1, 2025 - Protein is an essential macronutrient, but not all food sources of protein are created equal, and you may not need as much as you think. Learn the basics
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