- Nutrition As the Basis of Life and Longevity
- Breakfast: Not Just a Meal, but a Hormonal Trigger
- Healthy Living and Eating Right
- Morning Nutrition and Circadian Rhythms
- The Impact of Nutrition on Immunity
- Drinking Regime
- Mistakes in the Modern Diet
- The Role of Nutrition During Physical Activity
- Healthy Lifestyle Habits
- Nutrition at Different Periods of Life
- Emotional Eating and Habits
- Cultural Differences in Nutrition
- Individual Approach and the Role of a Nutritionist
- Proper Nutrition for Energy and Endurance
- Breakfast and Hormones: What a New Study Says
- Practical Recommendations
- Conclusion
Nutrition is the Foundation of Health and Well-Being
-
Published:10 July 2025
-
Updated:10 July 2025

Each of us is familiar with the feeling of lightness and uplift after a good breakfast, or, on the contrary, weakness and dullness of attention when skipping it. The body requires fuel to function, and a lot depends on the quality of this fuel. Nutrition is truly the foundation of health at all levels: physical, cognitive, and emotional.
Our body is a complex system: hormones, enzymes, nerve impulses, cellular metabolism, everything is interconnected. What we supply it with affects hormonal levels, stress response, ability to resist diseases, work effectively, and recovery. Nutrition is not just calories, but building materials and "control signals" for cells.
Let's talk in more detail about the key principles and elements of rational nutrition.
Nutrition As the Basis of Life and Longevity
Nutrition is not just a process of saturation. It is the basis of physiological, psychological and even social processes. The condition of the skin, the strength of bones, the clarity of thought, performance and emotional background depend on the diet. Food is energy, signals, building material, and even a way of communicating with yourself and others.
Historically, nutrition has played a key role in the development of mankind. With the transition from hunting and gathering to agriculture and animal husbandry, people had more sources of stable nutrition. With the development of cooking and technology, new forms of food processing appeared, but along with this, new risks: refined products, excess sugar, saturated fats, and salt.
A modern understanding of nutrition requires not only knowledge of caloric content but also of the individual characteristics of metabolism, microbiota, glycemic response, and hormonal background. Today, it is important not just to eat, but to eat consciously.
Breakfast: Not Just a Meal, but a Hormonal Trigger
One of the latest studies conducted by Western nutritionists raises the question of the importance of breakfast for men and women. The study indicated that under the same conditions, men respond better to protein-carbohydrate breakfasts, while women feel more energetic when taking fats with fiber in the morning. This is due to differences in metabolism, insulin sensitivity, and leptin levels.
The researchers monitored the participants for four weeks, tracking hormonal responses, sugar levels, and productivity. One of the interesting findings was that men feel and work better with a high-protein breakfast, for example, an omelet with turkey or cottage cheese with nuts. Women showed better concentration with breakfasts with a moderate protein content, but a high level of fiber and "long" fats - avocado, olive oil, and chia seeds.
Healthy Living and Eating Right
Eating right will increase your energy and stamina, which will help you perform better in your daily tasks and improve your physical fitness.
Try eating these foods:
- Whole grains: sustained energy for several hours.
- Protein foods: eggs or nuts. Eat carbs at breakfast to prevent sugar drops throughout the day.
- Foods high in nutrients: fruits, vegetables, lean proteins, whole grains, nuts/seeds, and legumes. Your body will get vitamins and minerals, and enough calories.
A healthy lifestyle and eating the right way will strengthen your immune system, which will protect you from diseases and infections. It will also reduce your risk of developing heart disease, diabetes, arthritis, and some cancers.
One of the main factors is proper nutrition. Consuming large amounts of unnatural foods and drinks rich in sugar and fat causes health problems: obesity, high blood pressure, and high cholesterol. Choosing vegetables, fruits, protein foods, and water maintains health and prevents problems with digestion, the cardiovascular system, and other important functions of the body.
Practicing a healthy lifestyle includes regular physical exercise, which strengthens muscles, joints, and bones and improves blood circulation. Physical activity also promotes the production of hormones glucagon and epinephrine, which help improve mood and concentration, increase energy levels, and increase strength.
All of these factors together help maintain health, improve physical fitness, and improve psychological well-being. In addition to these benefits, a healthy lifestyle will increase mental alertness, improve sleep quality, improve mood, and reduce stress and anxiety. The basic principles of a healthy lifestyle include well-being, balance, and moderation, which are the foundation of physical and mental health.
A healthy lifestyle has a positive effect on health for many reasons.
Morning Nutrition and Circadian Rhythms
Our body is subject to a biological clock. Research in the field of chronobiology has shown that food intake synchronizes the circadian rhythms of the liver, intestines, and pancreas. If you do not eat in the morning, the entire metabolism can shift, disrupting the production of hormones that regulate weight and appetite (leptin, ghrelin, insulin).
Breakfast also affects metabolism. According to a 2021 meta-analysis, people who regularly eat breakfast have a lower body mass index, lower risks of type 2 diabetes and cardiovascular diseases. This is due to the fact that the first meal triggers thermogenesis (the process of heat production), which means burning calories. In the absence of breakfast, the body switches to saving energy, and in subsequent meals, a person eats more.
Composition of the ideal breakfast: the opinion of nutritionists
Nutritionists recommend building breakfast on a balance of proteins, fats and carbohydrates. For example: eggs + vegetables + whole grain bread + yogurt; oatmeal with milk, nuts and berries; Greek yogurt with flax seeds and pieces of fruit; baked omelet with spinach and cheese.
Not only is the calorie content important, but also the glycemic index - how quickly carbohydrates from food increase blood sugar levels. It is better to choose slow carbohydrates (oatmeal, whole grain toast, quinoa), supplementing them with proteins and fats.
The Impact of Nutrition on Immunity
A balanced diet strengthens the immune system. A lack of vitamins A, C, D, E, as well as zinc and selenium, weakens the immune system. These elements are involved in the synthesis of antibodies, strengthening the mucous membranes, and protecting cells from oxidative stress. Products containing probiotics and prebiotics support the intestinal microflora, and therefore the immune system, since about 70% of the cells of the immune system are located there.
Drinking Regime
Water is the basis of life. Without sufficient fluid, it is impossible to effectively absorb nutrients, remove toxins, and regulate body temperature. Lack of water reduces concentration, causes headaches, fatigue, and even a false feeling of hunger. Nutritionists advise drinking at least 30 ml of water per kilogram of body weight per day, and more in hot weather and during physical activity.
Mistakes in the Modern Diet
Modern society is faced with new challenges: fast food, processed foods, excess sugar, salt, and fat. Many eat "on the run", without tasting the food. Dependence on fast carbohydrates occurs, energy levels drop, and sleep is disturbed. Excessive sugar consumption is associated with the risk of obesity, type 2 diabetes, and depression. Another mistake is low consumption of vegetables, greens, and whole grains.
The Role of Nutrition During Physical Activity
Proper nutrition before and after training is the key to recovery and progress. Before training, light carbohydrates are needed for energy: a banana, toast, and some yogurt. After a combination of proteins and carbohydrates to restore muscles and glycogen: omelet with vegetables, cottage cheese with fruit, protein smoothie. It is important to consider the time of food intake, 1-2 hours before and within 30-60 minutes after training.
Healthy Lifestyle Habits
Achieving long-term energy and stamina requires us to have certain habits to maintain balance in our lives. Regular physical activity helps maintain strength and reduce stress levels. Exercise also helps us stay alert throughout the day and improves our overall mood.
Getting enough sleep is equally important to maintaining energy levels throughout the day. Getting a good night’s sleep every night helps us feel energized when we wake up the next morning.
Managing stress levels through activities such as yoga or meditation can also be helpful in maintaining energy levels throughout the day.
Let’s take a closer look at these habits:
- Eating right: Eating plenty of vegetables, fruits, proteins, grains, nuts, and replacing unnatural foods with natural ones.
- Exercising regularly: Having a regular workout routine, including endurance or strength training, depending on your own physical abilities.
- Avoiding bad habits: quitting smoking, limiting alcohol, and other substance use.
- Healthy sleep: making sure you get enough sleep and establishing a regular sleep schedule.
- Reducing stress: reducing possible sources of stress and engaging in relaxation practices such as yoga, meditation, etc.
- Regular medical check-ups: visiting your doctor for preventive check-ups.
- Respecting and caring for your body, including regular skin, hair, dental, and general hygiene care.
- Socializing with friends and loved ones: planning time with loved ones, participating in social events and exhibitions.
These habits are part of a healthy lifestyle that will help maintain physical and psychological well-being.
Nutrition at Different Periods of Life
Children have higher protein and calcium needs due to bone and muscle growth. Teenagers need iron and zinc. In the elderly, stomach acidity decreases and the absorption of B vitamins, especially B12, is impaired. It is important for women to replenish iron during their menstrual period. Pregnant and lactating women need folic acid, vitamin D and omega-3.
Mindful eating should take into account not only tastes, but also the physiological needs of age, gender, and activity level.
Emotional Eating and Habits
People often eat not because they are hungry, but because they are bored, anxious, or out of habit. This leads to overeating, especially foods high in sugar and fat. Mindful eating includes the ability to distinguish between physical and emotional hunger, stop when full, and enjoy the taste. The practice of mindful eating includes: chewing slowly; attention to the aroma and texture of food; refusal to eat in front of the screen; and keeping a food diary.
Cultural Differences in Nutrition
Dietary culture varies greatly from country to country. The Mediterranean diet is rich in olive oil, fish, and vegetables. The Japanese eat a lot of seafood, seaweed, and rice. Indian cuisine is rich in spices that have an anti-inflammatory effect. These traditions have been formed over centuries and affect life expectancy and disease rates in different regions.
Individual Approach and the Role of a Nutritionist
Each organism is unique. Some are lactose intolerant, while others are prone to insulin resistance. This is why universal diets often do not work. A nutritionist or dietician helps to build a diet taking into account blood tests, hormonal levels, lifestyle, and goals. This allows you to avoid mistakes and achieve sustainable results.
Proper Nutrition for Energy and Endurance
Proper nutrition is necessary to provide us with the "fuel" needed for sufficient energy throughout the day. Frequent meals throughout the day help maintain blood sugar levels at a steady level, which provides constant energy without dips throughout the day.
List of foods high in nutrients:
- Vegetables: broccoli, spinach, cabbage, carrots, pumpkin. Suitable for lunch or dinner to get enough vitamins and minerals.
- Fruits: berries (strawberries, blueberries, raspberries), kiwi, pears, apples, citrus fruits (oranges, tangerines). Use as a snack to get energy and vitamins.
- Nuts and seeds: almonds, walnuts, hazelnuts, flaxseed, chia seeds. As a supplement to breakfast or a snack to get healthy fats and protein.
- Fish: salmon, tuna, sardines, cod. For lunch or dinner, to get a high-quality source of protein and omega-3 fatty acids.
- Meat: chicken, turkey, beef, pork. For lunch or dinner, to get protein and iron.
- Eggs: chicken. For breakfast, to get protein and vitamins.
- Dairy products: yogurt, cottage cheese, cheese. During the day, to get calcium and protein.
- Cereals and bakery products: oatmeal, buckwheat, quinoa, rye bread. For breakfast or lunch, to get carbohydrates and fiber.
Eat these products in accordance with nutritional recommendations, varied and in moderation.
If you are a vegetarian:
- Tofu is a source of plant-based protein and calcium, instead of meat in main dishes.
- Flax contains omega-3 fatty acids and soluble fiber. Add it to porridge, yogurt, salads or baked goods.
- Spinach is high in iron and vitamin K. It is recommended to add it to salads or use in casseroles.
- Buckwheat is rich in protein, iron and folate. As a side dish or add to soups and salads.
- Avocado contains healthy fats, vitamin E and potassium. Add to salads or use as an alternative to butter on bread.
- Quinoa is a source of plant-based protein, iron, and magnesium. Eat with vegetables or add to soups and porridge.
- Lentils contain protein, iron and fiber. It is recommended to use in soups, stews or add to salads.
- Sunflower and pumpkin seeds are rich in protein, iron, zinc and vitamin E. It is better to add to salads, baked goods or eat as a snack.
These foods are recommended to be consumed regularly and to vary their use in different dishes to ensure adequate nutrition for vegetarians.
Breakfast and Hormones: What a New Study Says
Modern ideas about nutrition are increasingly moving away from universal advice. One of the most interesting examples is the differences in the reaction to breakfast in men and women. This topic is the subject of a study in which scientists from Germany and the USA studied how morning meals affect the level of sugar, insulin, ghrelin (hunger hormone), and general well-being in representatives of different sexes.
The Purpose of the Study
The main task was to find out: should men and women really have different breakfasts? For this, 100 volunteers were selected - 50 men and 50 women aged 25 to 40 years, without chronic diseases and leading a moderately active lifestyle. The subjects were carefully monitored for one month. They ate balanced breakfasts with different macronutrient levels every day, and the researchers monitored their blood glucose levels, insulin response, satiety, energy, concentration, and even emotional state.
Key Findings
- Men respond better to protein-carbohydrate breakfasts.
Male participants had stable blood sugar levels and high levels of satiety after eating breakfasts of oatmeal, toast, cottage cheese, eggs, and lean meat. They also showed increased activity and motivation in the morning. Ghrelin (a hormone that causes hunger) significantly decreased in men after the first meal. - Women favor fiber and fat.
Women who ate breakfasts with avocado, chia seeds, Greek yogurt, and vegetables felt more emotionally stable. Their sugar levels remained stable, and their insulin load was less pronounced. Women also showed better results in cognitive tests after fat-fiber breakfasts than after carbohydrate-protein breakfasts. - An interesting nuance.
When consuming “inappropriate” breakfasts (men ate fat-fiber, and women ate purely protein-carbohydrate), increased irritability, drowsiness, or fluctuations in sugar levels were observed. That is, a universal breakfast did not give equally good results for both groups. - Biological explanation
As the authors of the study note, the reason for such differences is the peculiarities of hormonal regulation and metabolic rate. In men, the base level of testosterone promotes faster processing of protein and carbohydrates, while the female body with higher levels of estrogen and increased sensitivity to insulin prefers slow absorption with an emphasis on fats and fiber.
In addition, leptin, the satiety hormone, is more active in women, but its level can drop sharply with a deficiency of healthy fats. Therefore, a breakfast rich in fats and fiber is not only nutritious, but also stabilizes the emotional background, reduces anxiety, and prevents overeating in the afternoon.
Practical Recommendations
The results of the experiment allow us to draw conclusions that are easy to apply in everyday life:
- Men are recommended to have breakfast with foods rich in protein and slow carbohydrates: eggs, lean meat, whole grain bread, vegetables, and cottage cheese.
- Women are suitable for breakfasts with a high content of fiber and healthy fats: avocado, nuts, seeds, vegetables, and Greek yogurt.
- It is important to avoid universal "diet" breakfasts (only cereals or only yogurt), as they do not always meet the physiological needs of a particular body.
The study emphasizes the importance of an individual approach even to such seemingly simple things as breakfast. Instead of following standard recommendations, you should focus on your feelings and, if necessary, consult a nutritionist. Breakfast is not just a morning meal, but a real start of the internal system, and it should be precisely tailored to the characteristics of your body.
Conclusion
Nutrition is not just a routine necessity. It is a tool for managing health, well-being, and even thinking. Starting your day with a quality breakfast can affect your hormonal levels, energy levels, mood, and productivity. Taking into account individual characteristics, age, gender, and activity, you can create a diet that is not only healthy but also enjoyable.
Scientific research confirms that breakfast is the most important element of nutrition, and it should not be random. A balanced diet in the morning is a contribution to health, mental clarity, and longevity.
The more consciously we treat food, the more resources we discover within ourselves. And this means that nutrition cannot be a limitation, but a source of strength.
Should men and women eat different breakfasts to lose weight? (https://uwaterloo.ca/news/media/should-men-and-women-eat-different-breakfasts-lose-weight), By Media Relations, October 7, 2024. Accessed 10 Jul 2025
The American Journal of Clinical Nutrition (https://ajcn.nutrition.org), July 2025, Volume 122, Issue 1. Accessed 10 Jul 2025
In this article
- Nutrition As the Basis of Life and Longevity
- Breakfast: Not Just a Meal, but a Hormonal Trigger
- Healthy Living and Eating Right
- Morning Nutrition and Circadian Rhythms
- The Impact of Nutrition on Immunity
- Drinking Regime
- Mistakes in the Modern Diet
- The Role of Nutrition During Physical Activity
- Healthy Lifestyle Habits
- Nutrition at Different Periods of Life
- Emotional Eating and Habits
- Cultural Differences in Nutrition
- Individual Approach and the Role of a Nutritionist
- Proper Nutrition for Energy and Endurance
- Breakfast and Hormones: What a New Study Says
- Practical Recommendations
- Conclusion