Studies have also been careful to note that feeling over-taxed by the needs of others has conversely negative effects on health and happiness.

For example, one study on volunteerism found that feeling overwhelmed by others ' demands had an even stronger negative effect on mental health than helping had a positive one ( although positive effects were still significant ).

The symptoms of a so-called Chinese restaurant syndrome or " Chinese food syndrome " have been attributed to a glutamate sensitivity, but carefully controlled scientific studies have not demonstrated such negative effects of glutamate.

Antibacterials are screened for any negative effects on humans or other mammals before approval for clinical use, and are usually considered safe and most are well tolerated.

Prior to the controversy surrounding Agent Orange, there was already a large body of scientific evidence linking 2, 4, 5-T to serious negative health effects and ecological damage.

The additional effects on serotonin receptors may be why some of them can benefit the " negative symptoms " of schizophrenia.

Ill effects of non linearity can be reduced with negative feedback.

The environmental impact of concrete is a complex mixture of not entirely negative effects ; while concrete is a major contributor to greenhouse gas emissions, recycling of concrete is increasingly common in structures that have reached the end of their life.

As chives are usually served in small amounts and never as the main dish, negative effects are rarely encountered, although digestive problems may occur following overconsumption.

In order to gain access to European and trans-Atlantic institutions, it has had to undo many negative effects of the breakup of Yugoslavia and the war that ensued, and improve and maintain good relations with its neighbors.

Crocodyliform survivability across the boundary may have resulted from their aquatic niche and ability to burrow, which reduced susceptibility to negative environmental effects at the boundary.

A 2008 research report found that conservatives are happier than liberals, and that as income inequality increases, this difference in relative happiness increases, because conservatives ( more than liberals ) possess an ideological buffer against the negative hedonic effects of economic inequality.

The low temperature during treatment is advantageous in that it doesn ’ t have any negative effects on the steel, such as annealing.

In some places, controversial attempts such as racial quotas have been used to redress negative effects of discrimination -- but have sometimes been called reverse discrimination themselves.

The switch from the free software movement to the open source movement has had negative effects on the progression of community, according to Christopher Kelty who dedicates a scholarly chapter to the free software movements in " Theorizing Media and Practice ".

This is due to the negative ecological effects of the high water requirements of water-based synthetic fields.

Spray paint has many negative environmental effects.

# Pretreatments to make the raw materials ready for the main extraction step and to remove impurities which may have negative effects on physio chemical properties of the final gelatin product,

Coal production was down 60 %, which had cascading negative effects on railroads, heavy industry, and heating.

Himmler continued his plans to colonise the east, even when many Germans were reluctant to relocate there, and despite negative effects on the war effort.

Other infrastructure needs in rural France, such as better roads and canals, were neglected because of the expense of the railways, so it seems likely that there were net negative effects in areas not served by the trains.

In addition, psychiatric nurses in most medical facilities are allowed to administer hypnosis to patients in order to relieve symptoms such as anxiety, arousal, negative behaviors, uncontrollable behavior, and improve self-esteem and confidence only when they have been completely trained about their clinical side effects and while under supervision when administering it.

Opponents also refer to a number of scientific publications reporting significant negative effects of irradiated food, for example

* The goal of Jainism is liberation of the soul from the negative effects of unenlightened thoughts, speech, and action.

The purpose of life is to undo the negative effects of karma through mental and physical purification.

No one asks questions about the free union of the sexes in West Venice so long as the partners share the negative attitudes of the group.

Outside of Mexican American communities, the term might assume a negative meaning if it is used in a manner that embodies the prejudices and bigotries long directed at Mexican and Mexican-American people in the United States.

The Lewis structure of the carbonate ion has two ( long ) single bonds to negative oxygen atoms, and one short double bond to a neutral oxygen

In all, the very positive view of Soviet life which had long been presented to the public by the official media was being rapidly dismantled, and the negative aspects of life in the Soviet Union were brought into the spotlight.

Regarding the origins of the plot, people who knew Stalin, such as Khrushchev, suggest that Stalin had long harbored negative sentiments toward Jews, and anti-Semitic trends in the Kremlin's policies were further fueled by the exile of Leon Trotsky.

Mescaline has the advantage of not provoking violence in takers, but its effects last an inconveniently long time and some users can have negative reactions.

As long as the control grid is negative relative to the cathode, essentially no current flows into it, yet a change of several volts on the control grid is sufficient to make a large difference in the plate current, possibly changing the output by hundreds of volts ( depending on the circuit ).

The JFET is a long channel of semiconductor material, doped to contain an abundance of positive charge carriers or holes ( p-type ), or of negative carriers or electrons ( n-type ).

The position automatically made him an ex-officio member of the Board of Longitude and it was not long before a negative report was made on Harrison's chronometer, Maskelyne refusing to allow for the known rate at which Harrison's chronometer gained or lost time and thus dismissing it as inaccurate.

The negative, which is the closer of the two to the sprocket wheel ( thus creating a slightly shorter path ), must have a marginally shorter pitch between perforations ( 0. 1866 in pitch ); the raw stock has a long pitch ( 0. 1870 in ).

The new emphasis on loyalty rather than competence would have a long term negative effect on the efficiency and effectiveness of the federal government.

Parent B had a mix of salient positive and negative qualities: a close relationship with the child but a job that would take him or her away for long periods.

Fearing negative influence on the fighting morale, French authorities banned the film in 1940 pour la durée des hostilités ( i. e. as long as the war should last ).

Volta ordered the metals in a ' tension series ', “ that is to say in an order such that any one in the list becomes positive when in contact with any one that succeeds, but negative by contact with any one that precedes it .” A typical symbolic convention in a schematic of this circuit ( –< big >|</ big >– ) would have a long electrode 1 and a short electrode 2, to indicate that electrode 1 dominates.

Note that in order to act near optimally, the agent must reason about the long term consequences of its actions: In order to maximize my future income I better go to school now, although the immediate monetary reward associated with this might be negative.

The solvency constraint of the standard central bank only requires that the present discounted value of its net non-monetary liabilities ( separate from its monetary liabilities accrued through seigniorage attempts ) be zero or negative in the long run.

A very long exposure — typically an hour or more — was required to produce an acceptable negative.

By that point, Barclay has long since conquered his negative personal habits and is much more confident and secure of himself.

Mathematically, the return from a short position is equivalent to that of owning ( being " long ") a negative amount of the instrument.

For a long time, negative solutions to problems were considered " false ".

Perry's typical film persona and stage name have long been controversial, and seen as illustrative of negative stereotypes of African-Americans.

" Only negative comments were allowed, and thus began a long period of keeping silent and concealing thoughts.

A negative factor in their use is that any bomblets that fail to function go on to litter the battle field in a highly sensitive and lethal state, causing casualties long after the cessation of conflict.

He said to Nikolay Krestinsky in June 1925, as recorded in his diary: " I had said I would not come to conclude a treaty with Russia so long as our political situation in the other direction was not cleared up, as I wanted to answer the question whether we had a treaty with Russia in the negative ".

In a 1979 television interview, author Mary McCarthy, long Hellman's political adversary and the object of her negative literary judgment, said of Hellman that " every word she writes is a lie, including ' and ' and ' the '.