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1. the substances, or quantities thereof, taken in and used by the body; this refers to all routes by which fluids enter the body, including by mouth, rectum, irrigation tube, and parenteral administration. The record of fluid intake and output is called a fluid balance record.
2. the process of admission of an individual to a health facility, during which data regarding the health history and other pertinent personal information is gathered.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


1. The act of consuming or absorbing anything.
2. That which is taken in.
Compare: output
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


1. The act of consuming or absorbing anything.
2. That which is taken in.
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about intake

Q. What is the recommended intake for iron? I had a blood test recently which detected I have iron deficiency. I wanted to know what is the recommended intake for iron and which foods are rich with iron?

A. Adult males need to consume about 8 mg of iron per day and females (not pregnant) need to consume about 18 mg of iron per day. There are two forms of dietary iron: heme and nonheme. Heme iron is derived from hemoglobin, the protein in red blood cells that delivers oxygen to cells. Heme iron is found in animal foods that originally contained hemoglobin, such as red meats, fish, and poultry. Iron in plant foods such as lentils and beans is arranged in a chemical structure called nonheme.

Q. I worry as I don’t know what worse may happen with high alcohol intake? my brother is an alcoholic and he is on medication now ……. I feel he will be ok ……..and I worry as I don’t know what worse may happen with high alcohol intake?

A. THERE are alot of thngs that can happen..but.. the good thing about it is he has you as a brother,your brother is sick with the disease of addiction,he is going to need help..if he is to stop....i can tell you now that it is not going to be easy...this is only a can try to get him to go on line at and talk to other addicted people..or you can call the AA help line,it is a 800#....or you can get me luck...mrfoot56

Q. Can someone give me some information on over intake of Vitamin A and its complications in future? I am having short sightedness. I am wearing specks for the past 3 years. Last week my eye sight had doubled. I never thought to control my eye sight by having a good diet, which is rich in vitamin A. Now I am willing to have vitamin A in tablets and I doubt the adverse effects if taken in excess. Can someone give me some information on over intake of Vitamin A and its complications in future?

A. Having tablets will fortify you with vitamin A but long term intake will lead to show the side effects of over intake. You can have these vitamin tablets as per your doctor’s prescription. But you must have them as a diet intake which will keep your vitamin intake balanced and will not lead to any complications. But the over intake of vitamins can lead to vitamin A toxicity. This can show symptoms as fatigue, muscle pain, depression, Fever and liver anemia.

More discussions about intake
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References in periodicals archive ?
Nine of the ten studies demonstrated a trend in favour of a restricted protein intake diet.
The countries where low fruit and vegetable intake appeared to have the biggest impact were in South Asia, East Asia and Sub-Saharan Africa, which had low fruit intake and also high rates of associated stroke deaths.
For the present study, the authors used data for participants who had undergone cognitive measurements at year 25 and who had at least one measurement of B-vitamin intake at either baseline, year 7, or year 20.
Proteins should constitute approximately 20% of daily caloric intake. Clinical trials have shown that protein intake has a beneficial effect on the course of NAFLD, and that a lack of proteins, as well as malnourishment, can lead to the development of this disease.
"In many parts of the world, the low average calcium intake may be putting most people at increased risk of fractures and osteoporosis."
Moore says that there is likely a subset of people sensitive to salt who would benefit from lowering sodium intake, but more research is needed to develop easier methods to screen for salt sensitivity and to determine appropriate guidelines for intakes of sodium and potassium in this salt-sensitive group of people.
Intakes of nutrients in Italian children with celiac disease and the role of commercially available gluten-free products.
* The spacing between the chillers was varied from 6 ft (1.8 m), 8 ft (2.4 m), and 12 ft (3.7 m), while keeping the distance from the adjacent building at 10 ft (3 m), the wind speed at 10 mph (16 km/h), and the wind direction parallel to the air intakes (long dimension) of the chillers.
Results: Dietary levels of saturated fat were elevated in the analyzed populations and were the source of 13.33% of daily calorie intake. In the studied population, the ratio of saturated to monounsaturated and polyunsaturated fatty acids was determined at 3.25: 2.95: 1.
Nutrient intakes were calculated based on the 24 h dietary recall data with a food composition database created for this study combining Chinese Food Composition Tables (CFCT) 2004 [sup][12] and 2009 [sup][13] (CFCT, National Institute of Nutrition and Food Safety, China CDC).
Worldwide intake of free sugars varies by age, setting and country.