human nutrition

 process by which substances in food are transformed into body tissues and provide energy for the full range of physical and mental activities that make up human life.

The study of human nutrition is interdisciplinary in character, involving not only physiology, biochemistry, and molecular biology but also fields such as psychology and anthropology, which explore the influence of attitudes, beliefs, preferences, and cultural traditions on food choices. Human nutrition further touches on economics and political science as the world community recognizes and responds to the suffering and death caused by malnutrition. The ultimate goal of nutritional science is to promote optimal health and reduce the risk of chronic diseases such as cardiovascular disease and cancer as well as to prevent classic nutritional deficiency diseases such as kwashiorkor and pellagra.

Learn which foods provide proteins and other nutrients humans need to maintain a healthy, balanced diet

                                                                               


           

This article covers the major issues of human nutrition, such as energy generation and balance, essential nutrients, and recommended dietary guidelines. For a full-length treatment of health problems created by failure in nutrition, see nutritional disease. The utilization of food materials by all living things is described in nutrition, and specific biochemical processes are described in metabolism.

Utilization of food by the body

Calories and kilocalories: energy supply

Learn how carbs, proteins, and fiber-rich food constitute a complete breakfast


The human body can be thought of as an engine that releases the energy present in the foods that it digests. This energy is utilized partly for the mechanical work performed by the muscles and in the secretory processes and partly for the work necessary to maintain the body’s structure and functions. The performance of work is associated with the production of heat; heat loss is controlled so as to keep body temperature within a narrow range. Unlike other engines, however, the human body is continually breaking down (catabolizing) and building up (anabolizing) its component parts. Foods supply nutrients essential to the manufacture of the new material and provide energy needed for the chemical reactions involved.

Comments

Post a Comment

Popular posts from this blog

8 Ways to Increase Glutathione Levels Naturally

Image
  Increasing glutathione levels naturally is essential for overall health. You can achieve this by consuming sulfur-rich foods like garlic and onions, exercising regularly, and getting adequate sleep. Avoiding excessive alcohol and reducing stress also helps. Additionally, consider taking supplements like N-acetylcysteine (NAC) and consuming foods rich in glutathione precursors, such as spinach and avocados. show Would you like to feel more energetic, live a longer life and have fewer issues with your health? It might seem too good to be true, but increasing your glutathione levels can help make these things happen. Glutathione is one of the most important molecules found in our bodies. It helps protect us from oxidative stress, toxins and viruses which could otherwise harm us. Luckily, there are several natural ways to boost your glutathione levels without taking supplements or medication - so if you're looking for a healthier way of life then read on! In this blog post we'll
Read more

Dementia

Image
      Dementia is a disease in which the memory becomes weak. This disease is caused by a deficiency of Acetylcholine, a brain chemical that plays an important role in memory. Deficiency of this chemical leads to behavioral changes and memory loss. Dementia affects people of all walks of life, whether male or female. About seven lakh people are suffering from this disease in Pakistan. Dementia has many causes. For example, vitamin B12 deficiency. People who eat more vegetables. This disease is very common among them. Apart from this, hypothyroidism and meningioma         , these are the causes which, if treated, can cure the patient's memory loss. Apart from this, alcohol consumption, excessive use of sleeping pills also cause dementia. Injury to the head for any reason is also a cause of this disease. < /span> The main cause of dementia is Alzheimer's disease, which causes brain cells to die. It is very common in Western countries, while we have more &#
Read more

talking to children

Image
 A study has found that older adults talking to children more at an early age can help shape their brains. Past studies and research have shown that talking to young children has many benefits. As it improves children's use of language and increases vocabulary. The research concluded that they discovered a link between the amount of talking adults do to children and a compound in children's brains called myelin, which surrounds nerves and makes signals more effective. Lead author of the study Professor John Spencer, from the University of East Anglia, said it sends the message that talking to your children is important. Interestingly, this process shapes the structure of the brain. In a study published in the journal Neuroscience, John Spencer and his colleagues said they attached a device to the shirts of 87 six-month-olds and 76 about 30-month-olds and recorded their conversations. The team recorded 6208 hours of verbal data. Scientists found that children whose mothers were
Read more