A Nutrition Article

[Kena Sugrue]

Louisa writes about nutrition and health for news and science outlets. She has a passion for plant-based diets and a functional approach to health. In her spare time, Louisa enjoys the outdoors and gardening. She is also a qualified florist. Louisa loves cooking healthy food and encouraging people to try plant-based!

Nutrients provide nourishment. Proteins, carbohydrates, fat, vitamins, minerals, fiber, and water are all nutrients. If people do not have the right balance of nutrients in their diet, their risk of developing certain health conditions increases.

Sugars are simple carbs. The body quickly breaks down and absorbs sugars and processed starch. They can provide rapid energy, but they do not leave a person feeling full. They can also cause a spike in blood sugar levels. Frequent sugar spikes increase the risk of type 2 diabetes and its complications.

Fiber and unprocessed starch are complex carbs. It takes the body some time to break down and absorb complex carbs. After eating fiber, a person will feel full for longer. Fiber may also reduce the risk of diabetes, cardiovascular disease, and colorectal cancer. Complex carbs are a more healthful choice than sugars and refined carbs.

Too little phosphorus can lead to bone diseases, affect appetite, muscle strength, and coordination. It can also result in anemia, a higher risk of infection, burning or prickling sensations in the skin, and confusion.

Adult females need 8 mg of zinc a day, and adult males need 11 mg. Dietary sources include oysters, beef, fortified breakfast cereals, and baked beans. For more on dietary sources of zinc, click here.

People need small amounts of various vitamins. Some of these, such as vitamin C, are also antioxidants. This means they help protect cells from damage by removing toxic molecules, known as free radicals, from the body.

The body absorbs fat-soluble vitamins through the intestines with the help of fats (lipids). The body can store them and does not remove them quickly. People who follow a low-fat diet may not be able to absorb enough of these vitamins. If too many build up, problems can arise.

Some nutrients also act as antioxidants. These may be vitamins, minerals, proteins, or other types of molecules. They help the body remove toxic substances known as free radicals, or reactive oxygen species. If too many of these substances remain in the body, cell damage and disease can result.

A registered dietitian nutritionist (RD or RDN) studies food, nutrition, and dietetics. To become a registered dietitian, a person needs to attend an accredited university, follow an approved curriculum, complete a rigorous internship, pass a licensure exam, and complete 75 or more continuing education hours every 5 years. Dietitians work in private and public healthcare, education, corporate wellness, research, and the food industry.

A nutritionist learns about nutrition through self-study or formal education, but they do not meet the requirements to use the titles RD or RDN. Nutritionists often work in the food industry and in food science and technology.

Some people choose to follow a specific diet, in which they focus on certain foods and avoid others. People who do this may need to plan carefully to ensure they obtain all the necessary vitamins to maintain their health.

However, the basis of any diet that I do recommend for a specific person (whether it is low carb, Mediterranean, Dash, paleo, or keto) is that it is plant-heavy, providing adequate fiber to feed gut bacteria, as well as antioxidants, phytochemicals, and nutrients for optimal health.

Proper nutrition helps keep energy levels up and protects against many age-related illnesses and diseases like heart disease, cancer, and diabetes. But how do you maintain an eating routine and diet that keeps you and your family healthy and works within your lifestyle and budget?

At the most basic level, nutrition is about eating a regular, balanced diet. Good nutrition helps fuel your body. The foods you eat supply the nutrients your body needs to maintain your brain, muscle, bone, nerves, skin, blood circulation, and immune system. Proper nutrition also helps protect you from illness and disease, such as heart disease, diabetes, cancer, and osteoporosis.

There are two major classes of nutrients in food: macronutrients and micronutrients. Macronutrients are carbohydrates, protein, and fat. They supply energy (in the form of calories) and serve as the building blocks for muscles and tissues.

For optimal health, science supports following a plant-based diet like the Mediterranean-DASH (Dietary Approaches to Stop Hypertension) diet, and MIND (Mediterranean-DASH Diet Intervention for Neurodegenerative Delay) diet. Plant-based diets have been shown to have various health benefits and are linked with a lower risk of heart disease, cancer, and other chronic illnesses.

What does a typical healthy meal from a plant-based diet look like? A great visual guide is the Harvard Healthy Eating Plate. It shows the proportions of the healthy foods you should eat. At most meals, try to fill half of your plate with vegetables and fruit, a quarter with whole grains, and the final quarter with lean protein.

Even though supplements are popular, there is limited evidence they offer significant health benefits or help protect against disease. For the average healthy adult, eating a balanced diet with plenty of fruits and vegetables provides all the essential vitamins and minerals.

If you want to explore taking a supplement, first check with your doctor. He or she can advise whether they are needed and help choose the appropriate over-the-counter brand. The FDA monitors disease-related claims on dietary supplement labels but does not ensure whether a product contains the ingredients listed on its label.

Some of these days may overlap but breaking up these tasks can keep meal planning manageable.

Cook in order. On meal prep day, focus first on foods that take the longest to cook. If you prefer not to pre-cook proteins, consider marinating poultry, fish, or even tofu on your prep day so you can pop them into the oven or stir-fry them later in the week.

Multi-task. While foods are baking or bubbling on the stovetop, chop vegetables and fresh fruit, or wash and dry salad greens for later in the week.

Make extras. When possible, make extra portions of recipes for another day or two of meals, or freeze them for the following week.

Storage. Label all prepped items with a date so that you can track when to use them. Rotate stored items so that the oldest foods/meals are kept up front. Store highly perishable items like greens, herbs, and chopped fruits front and center at eye level, so you remember to use them. Freeze cooked meals in airtight containers.

Stock up. Work at stocking your kitchen with the following staples. This ensures you always have the basics on hand for meal prep and when you need to suddenly whip up healthy meals.

Good nutrition is one of the keys to a healthy life. You can improve your health by keeping a balanced diet. You should eat foods that contain vitamins and minerals. This includes fruits, vegetables, whole grains, dairy, and a source of protein.

It can be hard to change your eating habits. It helps to focus on small changes. Making changes to your diet may also be beneficial if you have diseases that can be worsened by the things you eat or drink. Symptoms from conditions such as kidney disease, lactose intolerance, and celiac disease can all benefit from changes in diet. Below are suggestions to improve your health. Be sure to stay in touch with your doctor so they know how you are doing.

Almost everyone can benefit from cutting back on unhealthy fat. If you currently eat a lot of fat, commit to cutting back and changing your habits. Unhealthy fats include things such as: dark chicken meat; poultry skin; fatty cuts of pork, beef, and lamb; and high-fat dairy foods (whole milk, butter, cheeses). Ways to cut back on unhealthy fats include:

Balanced nutrition and regular exercise are good for your health. These habits can help you lose or maintain weight. Try to set realistic goals. Your goals could include making some of the small diet changes listed above or walking daily.

Doctors and dietitians suggest making healthy eating habits a part of daily life rather than following fad diets. Nutrition tips and diets from different sources can be misleading. Some important things to remember:

This information provides a general overview and may not apply to everyone. Talk to your family doctor to find out if this information applies to you and to get more information on this subject.

Katherine Marengo is a clinical registered dietitian. She specialized as a certified nutrition support dietitian (CNSD) in New Orleans at the Medical Center of Louisiana, the No. 2 Level I trauma center in the nation.

Kelsey Costa is a registered dietitian nutritionist and author based in New England. She works as a freelance writer, reviewer, and consultant for health-focused brands and organizations. Kelsey is passionate about disseminating groundbreaking research and is well-known as a nutrition authority, frequently serving as an expert source for top health and nutrition media outlets. She is committed to promoting public health awareness and nutrition education through science-based content and communications. Follow her on LinkedIn and learn more at her website or her publication, Dietitian Insights.

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