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Human evolutionessay
The history of human evolution
The history of human evolution
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Introduction:-
As the world moves towards new discoveries, inventions, life styles have been drastically altered as well, the homo sapiens that we use to know have evolved themselves, in every field of life. However, when it came down to food, there has always been a risk of hazards and the intake of chemically synthesized material which has become a blessing and a consequence that we have to pay for the modernism. Yet, the demand for safer and fresh produce still remains a question. As the world population increases by the every second, the need for greater food supply keeps on growing. For this bigger demand preservation of food becomes a necessity. And this is where the word food additives begin. Food additives have gotten a major attention in the food scientist of the world, and are the most visited areas of science now.
As the world is beginning to found more and more additives, a lot of the world’s consumers feel harassed by its use. It has still become a main concern of the critics; however, the tug of war has still been taking place between the two jury.
FOOD ADDITIVES:-
The chemical substance that are used to be added in the food( Alabama A and M and Auburn universities). The following are the main objectives of food additives:-
To keep or increase the nutritional value of the food which went through a harsh treatment, destroyed during processing. E.g vitamin C, vitamin B, iodine and vitamin D.
To increase the keeping quality of the food by adding antioxidant, natural colors and flavor.
To increase its processing quality or ease of processing.
However, the food laws made by different agencies have issues now, by occasional congressional interventions that keep on threatening the FDA, who have the soul focus of the public ...
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Rats refused to swim and their immobility was observed.
It was also observed that the rats became antisocial after the intake of high dose of tartrazine, their amount of time in the social interaction wa decreased significantly.
The forced swim test is conducted to understand the depression in rats ( Raghavandra et al. 2000). It was observed that they showed higher levels of immobility a potential index of depression like behavior a reaction to their stress.( Sanchez and Meier, 1997).
Also the intake of tartrazine resulted in depression response and has been outlined in children also showing clinical depression, migraines and sleep disturbance ( Rowe and Rowe, 1994)
(November et at. 1992) has been reported tartrazine and benzoates resulted in unusual reaction in the central nervour system causing headache , overactivity , learning difficulty and depression.
Regulating what the government should control and what they should not was one of the main arguments our founding fathers had to deal with when creating our nation, and to this day this regulation is one of the biggest issues in society. Yet, I doubt our founding fathers thought about the idea that the food industry could one day somewhat control our government, which is what we are now facing. Marion Nestles’ arguments in the book Food Politics: How the Food Industry Influences Nutrition and Health deal with how large food companies and government intertwine with one another. She uses many logical appeals and credible sources to make the audience understand the problem with this intermingling. In The Politics of Food author Geoffrey Cannon further discusses this fault but with more emotional appeals, by use of personal narratives. Together these writers make it dramatically understandable why this combination of the food industry and politics is such a lethal ordeal. However, in The Food Lobbyists, Harold D. Guither makes a different viewpoint on the food industry/government argument. In his text Guither speaks from a median unbiased standpoint, which allows the reader to determine his or her own opinions of the food industries impact on government, and vise versa.
The cause of Tardive Dyskinesia has not been positively identified, but researchers do know that neuroleptic drugs change the way nerve impulses jump from the pre-synaptic neurons across a synapse to the post-synaptic neurons. (2). Such drugs prevent the neurotransmitter dopamine from reaching the brain, "directly impairing the function of the basal ganglia and the emotion-regulating limbic system and frontal lobes." (6)
...ossible adverse interactions between an antidepressant medication and the substances a patient is abusing (such as the potential for increased sedation or intoxication).” (p 29).
In the early 20th century, depression therapeutic strategies ranged from invasive therapeutics like insulin coma therapy, chemical and electrical shock therapy to administration of some addictive chemicals like chloral hydrate, barbiturates, amphetamines and opiates (Lopez-Munoz & Alamo C, 2009). In 1950s, Ipronizide, which was previously used as anti-tuberculosis, was introduced as the first Mono-amino-oxidase inhibitor (MAOI) and the first antidepressant ever marketed. Then Imipramine was int...
First proposed by Schildkraut in 1965, was one of the main biological theories explaining depression, currently known as the ‘Monoamine Theory’. This theory suggests that depression is caused by dysfunction of the monoamine transmitters in the brain, resulting in a shortage of monoamines including 5-hydroxytryptamine (5-HT) and noradrenaline. ‘It is based on the ability of known antidepressants drugs to facilitate monoaminergic transmission, and of drugs such as reserpine to cause depression.’ (Rang and Dale’s Pharmacology) The hypothesis originated from the clinical connection between the drug used to alleviate symptoms and the neurological effects these drugs have on monoamine transmitters in the brain. This pharmacological evidence somewhat supports the monoamine theory but also contains several inconsistencies. The search for more direct evidence, including the investigation of the monoamine metabolism of depressives has become futile as inconsistent results are obtained and causes are not narrowed to depression. Supporting the theory is the amount of 5 HT detected by its metabolites in cerebrospinal fluid, urine and plasma...
Although historically depression has been considered a character condition, evidence has accumulated suggesting the role of a biological substrate, namely serotonin, in subgroups of depressed patients. This accumulated evidence supports the indoleamine hypothesis of depression, which suggests that major depression results from a deficiency of available serotonin or inefficient serotonin. (16). We see that depletions of serotonin from certain regions of the brain such as the hypothalamus, amygdala, and cortical areas involved in cognition and other high processes, can have a great impact in contributing to depression.
The notion of an individualized chemical imbalance founded in the brain as the explanation of depression, whether it is norepinephrine and serotonin, is a theory which is built on a particular kind of logic that attempts to isolate a causal neurochemical abnormality as giving rise to or generating depressive symptoms. The drugs which are utilize to treat these abnormalities, were shown in the last chapter to be a crucial component in the creation of depressive pathology insofar as they were reasoned or designed to correct them. Within a society that values the biomedical intervention of psychopharmaceuticals in the treatment of depression there is an in...
Customers/Consumers were worried about the changes in the market for food and drugs because they no longer had a single clue of what was in their products. Food production was moving from household prepared to general markets. As food markets became more refined due to the improvement of technology. The difficulty in discerning the quality of their product heightened. With new and quicker ways make food, fears of the ingredients that the foods consisted grew. Preservatives and chemicals also instilled a concern to consumers. Health officials, chemists, and other individuals tested and proved the dangers of these new additives.
...ly look at the false claims made by food industries expand on their already set regulations, making it harder for companies to get around them. However, if the FDA believes that their regulations are as specific as they can get, then there should be at least somebody to educate consumers about food labels and add more detail to nutritional value charts. Because without changing the way how information is provided and educating people, they will not be able to change their diets to improve nations overall health.
Food has been a common source of necessity in our everyday lives as humans. It helps gives us nutrition and energy to live throughout our life. Over several decades, the development of making foods has evolved. They have changed from natural to processed foods in recent years. Nowadays natural ingredients are barely used in the making of foods like bread, cheese, or yogurt. The food industry today has replaced natural food making with inorganic ingredients. The cause of this switch is due to processed foods being easier, cheaper and faster to make. Artificial nutrition and processed foods have been proven to last longer in market shelves then natural foods. Also, due to artificial additives in processed foods they help satisfy consumers taste more than natural ingredients. The method of producing processed foods is common in today's food industry and helps make money faster and efficiently for companies. Examples of this can be found in all markets that distribute food. Even though processed foods may be easier and faster to make, they are nowhere near as healthy for consumers compared to natural foods. Natural foods are healthier, wholesome, and beneficial to the human body and planet then processed foods.
A food additive is anything that has been added to food to enhance it in texture, appearance and taste, or to preserve it. For example, in orange juice, one can find a daily dosage of Vitamin C. Vitamin C, also known as ascorbic acid, is a hydrocarbon with a chemical formula of C6H8O6 that can preserve food, as well as add nutrients to whatever it is added to. Vitamin C can be found in every citrus fruit, as well as many non citrus fruits, such as papayas, strawberries, pineapples and cranberries. From the 16th century to the 19th century, almost two million sailors were killed by a disease known as scurvy, caused by a lack of Vitamin C. While almost no one has scurvy today, Vitamin C is used to treat gum diseases, colds and bronchitis.
The cause of Clinical depression has long been a mystery to physicians and researchers. Many different theories have been proposed, but no conclusive evidence has been put forth. However, most of what we know about depression stems from the results of certain drugs which have been successful in treating the clinically depressed. These anti--depressants have led to the assumption that depression is most likely due to a chemical imbalance (of neurotransmitters) which somehow leads to the symptoms of depression. To try and write a paper on all the theories of depression would be endless, as would be a study on all the different types of anti-depressants. Therefore I have tried to focus my paper on the serotonin hypothesis for depression, and more specifically how the serotonergic anti-depressants have backed up this theory. Of course, Any paper on serotonin-based anti-depressants must include the popular Prozac. Because of the excitement And controversy surrounding Prozac, I decided to channel most of my paper into the action of this so-called "wonder drug".
cost soon adds up and exceeds the cost of buying fresh ingredients. It also saves
spoilage. To keep the food from spoiling, usually in only a few days, it is
Food Preservation is the ways to retain the food quality in a longer times. It is to prevent the food decomposition and fermentation. Besides that, food preservation not only to prevent the food getting spoilt in a long period of time but also preserved the colour, taste and the food nutritive value. Nowadays, food preservation has become more and more important component in the food industry as the consumers expect that able to purchase those foods that are out of season or imported from other countries. Furthermore, there are few reason why food preservation is important in our daily life such as preservation foods when they are in season it may added variety choices in our meals for example smoke meats and