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PJ Online homeThe Pharmaceutical Journal
Vol 277 No 7420 p406
30 September 2006

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Onlooker

Adolescence and antisocial behaviour more
Insect migration: a poorly understood but important phenomenon more
Some observations on violent feelings as a motive force in society more


Adolescence and antisocial behaviour

A psychiatrist writing in the BMJ of 2 September has pointed out that good parenting offers protection against psychosocial problems arising during adolescence.

A growing body of evidence suggests that the risks of later antisocial behaviour, truancy, pregnancy, substance misuse, delinquency and emotional and behavioural disorders may be reduced if young children are stimulated and exposed to more positive parenting at home. Many of the current difficulties in dealing with youngsters arise from the failure of families to teach them to adjust to change and adversity and to help to establish healthy patterns of emotional, social and cognitive functioning. Harsh and unpredictive methods adopted by parents reliant on manipulation, threats, punishments and passivity lead to antisocial behaviour, which may persist for years or even for life.

Active listening to children, playing with them, enforcing the minimum set of rules of behaviour, with incentives for good behaviour and assisting the child to develop self-control, all make valuable contributions towards improving the lot not only of the youngster and immediate family but also the whole of human society.

Apart from other considerations, adolescents with serious behavioural difficulties unnecessarily consume many of the costly health, social care and justice systems, where expenses strike hard at the pockets of the tax payers.

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Insect migration: a poorly understood but important phenomenon

LocustLittle is known about the reasons that drive insects to migrate over vast stretches of the world or about the practical purposes that this habit serves in the biological world. In the 11 August issue of Science, three biologists discuss the implications of such behaviour.

Countless numbers of insects move within and between continents every year. This phenomenon should be of concern to all who are involved in the management of food sources and the spread of diseases in people and livestock. Insect migration may lead to catastrophic losses of crops, epidemics and complications in plant pollination.

There is at least one fundamental difference between insect and most vertebrate migrations. In general, individual insects do not perform journeys that return them to the area from which they departed, so that the most common migratory movements in birds and mammals have not been documented in insects. Vertebrates often migrate to exploit natural resources that are available only over a portion of the year such as the breeding season. If insects are unable to return to a fruitful patch of country, why should they migrate at all? Unlike higher animals, they do not have to make provision for long-term care of their offspring. Do they then emigrate until they die from physical exhaustion, or do they terminate the migrations when they reach a suitable habitat?

Agricultural pests such as locusts often migrate in response to habitat availability, the level of crowding and the quality of the environment. It is thought that insects that do not make round trips in their travels are unlikely to develop navigational mechanisms based on previous experience.

Modern methods and equipment enable us to study the genetic factors that guide the migrating insects by way of satellites but until the behaviour of individuals can be distinguished from that of populations, insect migration will remain poorly understood, though immensely important.

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Some observations on violent feelings as a motive force in society

In his book on ‘Modern painters’ (1856), the artist and social critic John Ruskin commented: “All violent feelings produce in us a falseness in all our impressions of external things”. Today, 150 years later, his observation regrettably remains relevant. Violence seems to pervade our society at many levels despite all we do to contain it.

Violence in politics has been defined as the resort to force for political ends, beyond its use in warfare and its other applications within the judicial system to keep some semblance of order in human interrelations.

Political violence ranges from mere stone throwing at persons and property to life-threatening activities. It ranks as an unlawful and antisocial power in the land, resorted to by individuals or groups who can apparently find no other outlet for their unrest.

A more worrying phenomenon is terrorism — an aspect of political violence of which we are made increasingly aware. It has no precise definition, being as vague as the terrorists themselves and has been looked upon as low-level warfare involving innocent bystanders. The question is, when, if ever, can it be morally justified? Moralists have argued that terrorism may sometimes be justified if it serves as a short cut to avert an even greater social evil, and in such circumstances they like to refer to terrorists as “freedom-fighters”.

At a different level, violent feelings can lead to domestic brutality, a complex phenomenon. Many who carry out domestic violence regularly have neither a severe mental health condition nor a history of any criminal tendency and seem to act on sudden impulse. The commonest targets are women and children, and the picture is one of gradually escalating violent physical assault. More than 90 per cent of cases involve women being abused by men, either physically or emotionally.

Among the factors that may promote violent behaviour are drugs and drink. It is almost impossible to control these effectively in face of the marketing habits of modern society and the concern of governments to derive funds from the trade in products that impair our faculties of choice and judgement.

From the angle of psychology, attempts to distort the world in an effort to experience a better one are doomed to failure. Individuals who seek some consolation in them delude themselves, but seem to be driven by an unconscious inferiority feeling that makes them emulate others intellectually more powerful and attempt to dominate them.

Some means must be found to teach the art of self-examination, of introspection and of empathy with our fellows, Of all the influences calculated to draw human society to higher levels and greater happiness, empathy and sympathy rank highest, in my opinion.

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