FOOD AND NUTRITION
A sizeable portion of a healthy diet should consist of fruits and vegetables, especially ones that are red, orange, or dark green. The USDA advises adults to consume less than 300 milligrams (mg) per day of cholesterol (found in meat and full-fat dairy products among others). Refined grains (white flour, white rice) and refined sugar (table sugar, high fructose corn syrup) are also bad for long-term health, especially in people with diabetes. Sodium is used heavily in processed foods and is dangerous for people with high blood pressure. Whole grains, such as whole wheat and brown rice, should also play a part in your diet. We need to replace nutrients in our bodies with a new supply every day. Maintaining key vitamins and minerals are also important to maintaining good health. Protein can consist of lean meat and poultry, seafood, eggs, beans, legumes, and soy products such as tofu, as well as unsalted seeds and nuts.
Good nutrition also involves avoiding certain kinds of foods. For adults, dairy products should be non-fat or low-fat. Understanding good nutrition and paying attention to what you eat can help you maintain or improve your health.
Food and nutrition are the way that we get fuel, providing energy for our bodies. For pregnant women and adults over 50, vitamins such as vitamin D and minerals such as calcium and iron are important to consider when choosing foods to eat, as well as possible dietary supplements.
A healthy diet includes a lot of natural foods. Alcohol can be dangerous to health in amounts more than one serving per day for a woman and two per day for a man.
There are many high-quality, free guidelines available for healthy eating plans that give more details on portion size, total calorie consumption, what to eat more of, and what to eat less of to get healthy and stay that way.
. Fried food, solid fats, and trans fats found in margarine and processed foods can be harmful to heart health. Water is an important component of nutrition. Fats, proteins, and carbohydrates are all required. The effective management of food intake and nutrition are both key to good health.
Other nutritional deficiencies that can affect your blood cells include low levels of vitamin B12, folate, or vitamin C.
Vitamin D deficiency may affect the health of your bones, making it difficult for you to absorb and use calcium (another mineral that you may not be getting enough of). Even if you are getting enough to eat, if you are not eating a balanced diet, you may still be at risk for certain nutritional deficiencies. Your blood cells need iron in order to supply your body with oxygen, and if you don’t have enough iron, your blood will not function properly. People who have had intestinal diseases or had sections of intestines removed due to disease or weight loss surgery also may be at risk for vitamin deficiencies. Alcoholics are also at high risk of having nutritional deficiencies.
One of the most common nutritional deficiencies is iron deficiency anemia. Also, you may have nutritional deficiencies due to certain health or life conditions, such as pregnancy, or certain medications you may be taking, such as high blood pressure medications. Although you can get vitamin D by going out in the sun, many people with concerns about skin cancer may end up with low levels of vitamin D by not getting enough sun.
Today the world faces a double burden of malnutrition that includes both undernutrition and overweight, especially in low- and middle-income countries. There are multiple forms of malnutrition, including undernutrition (wasting or stunting), inadequate vitamins or minerals, overweight, obesity, and resulting diet-related noncommunicable diseases.
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