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something that is required or necessary. Basic human needs are those things that are required for complete physical and mental well-being. Needs vary greatly in the degree to which they are necessary for survival. For this reason, they are often classified into a hierarchy according to their relative urgency. Those on lower levels must be met before attention can be paid to needs on higher levels. The most widely used classification is called Maslow's hierarchy of needs, devised by Abraham H. Maslow, shown in the accompanying figure.
Maslow's hierarchy of needs.

Physiologic Needs. These are the needs that are essential for the maintenance of biological homeostasis and the survival of the individual and the species. They include needs for oxygen, water, food, elimination of wastes, temperature regulation, avoidance of pain, rest and sleep, exercise and sex.

Needs for Safety and Security. These include needs for protection from physical harm, for order, consistency, and familiarity in one's surroundings, and for some degree of control over matters concerning oneself.

Needs for Love and Belonging. These include needs for giving and receiving love and affection and for sexual intimacy, for friendship and companionship, and to identify with a group.

Needs for Esteem and Self-Esteem. These are the needs that are necessary for a person to have a basic sense of self-respect and self-acceptance and to be self-sufficient. Self-esteem requires an understanding of oneself and one's limitations and the ability to face and cope with stress and painful realities. Persons in whom these needs have been met are relatively free of feelings of inferiority or inadequacy. This level also includes needs for approval and recognition from others.

Need for Self-Actualization. This is the need to make full use of one's talents, capabilities, and potential. Self-actualizing persons tend to be dedicated, realistic, autonomous, creative, and open. They are not in conflict with themselves and are motivated by their own values and goals.


The perceived or actual requirement for an activity, function or thing.


Vox populi The requirement for an activity, function or thing. See Basic need, Dependency need, Self-actualization need, Urgent need.


1. Something required, wanted, or essential.
2. A duty or obligation.
3. Any disease or condition for which a patient seeks a remedy.
4. A motivation.
5. Extreme want or poverty.

Patient discussion about need

Q. I need a Lyme LIterate Doctor in MA Moving to MA - son has chronic Lyme

A. Hi! Where are you moving to? I'm here in Boston with early Lyme that I hope is not going chronic (the treatment I've taken so far is only suppressing it, and it comes back if I stop antibiotics).

Apparently there is a Dr. Sam Donta who works in Falmouth and Boston: 508-539-6666. But he is pretty busy.

Q. will i need daipers becuse of my bladder

A. Not diapers, Even if one has lost control over his bladder, diapers are not used but rather other things like penrose (in case of men) or catheter.

However, bladder stones can usually be treated and don’t necessitate these measures, as you can read here:

Q. I need some information….. I smell some problem with my son …..Please guide …….he is very hyperactive and has mood instability and becomes impulsive… friend doubts that he may be the case of ADHD……I need some information…..

A. It is very difficult to say whether your son is ADHD or not. Yes the symptoms have some link to ADHD but these symptoms are also related to bipolar. Bipolar relates primarily to mood swings which are not a symptom in ADHD. So take him to doctor and go for the diagnosis…..

More discussions about need
References in periodicals archive ?
Having needed three hours to beat Lucie Safarova in Thursday's second round, the statuesque Russian has now played more than five hours of tennis inside 24 hours after needing two hours, 16 minutes to beat Ivanovic.
Carter got off to the ideal start at Alexandra Palace when he won the first two frames, the second of them despite having needed two snookers.
At local meetings, professionals from a variety of disciplines shared observations of problems they have experienced with discharged hospital patients understanding information or having needed resources for Home Health Care.
In the boys' singles semifinals, Milen Ianakiev from Germany played Cypriot Petros Chrysochos, the former player being the top seed in the tournament, and the latter player having needed to qualify to enter the main draw.
About time, too, many will say, and having needed to spend some time there recently it is another example of a lot of good people doing extraordinary things with less than satisfactory facilities, a reminder that it is people, not systems, that make things happen, and often in spite of the system itself.
* Infrastructure preservation: More than three-quarters of states earn top marks for having needed information to assess their progress and make smart decisions in this area.
He has already discovered for sure that wickets will be hard won down under, having needed almost 50 overs to take five of them at the cost of 161 runs in England's victory over Western Australia.
* In his first speech as British Labor Party leader, Ed Miliband traced his desire to aid society's lower rungs to his parents' having needed to escape the Nazis.
As for Wasps, they too were lifted by the appearance of England flanker Tom Rees playing his first game in 11 months having needed two shoulder operations to rescue his career.
A total of 14 cases among returning travellers have been confirmed, with two people still in hospital and a further two having needed hospital treatment, the agency said.
Without reliable information on requirements, inventory levels, and maintenance condition, DOD cannot provide sufficient oversight over its programs, which potentially leaves war fighters at risk of not having needed stocks in the future.
The user can select the desired probability of having needed repair parts in place before induction for each LRU.