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Factors Associated to Obesity

Harsita Bisoyi*

Department of Life Science, National Institute of Technology, Rourkela, Orissa, India

*Corresponding Author:
Department of Life Science
National Institute of Technology, Rourkela, Orissa, India.
E-mail: [email protected]

Received date: 02/02/2017 Accepted date: 23/02/2017 Published date: 28/02/2017


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Obesity is defined as the accumulation of the abnormal or excessive adipose tissue that may impair health. A fat cell is an endocrine cell and adipose tissue is an endocrine organ. Adipose tissue secrets a variety number of products along with metabolites, lipids, cytokines and coagulation factors among others. Being overweight means having additional weight than is taken as normal or healthy for one’s age or build. On the opposite hand, obesity is that condition of being weighty, i.e., excess quantity of body fat with a BMI of over 30. Whereas association with overweight person can carry excess weight, he could or might not have excess accumulation of fat. Obesity may be a multi-factorial disorder that is commonly related to several different important diseases like polygenic disease, cardiovascular disease and different vas diseases, degenerative joint disease and some cancers. The management of obesity can thus need a comprehensive vary of methods engrossment on those with existing weight issues and conjointly on those at high risk of developing obesity. Hence, hindrance of obesity throughout childhood ought to be taken as a priority, as there's a risk of persistence to adulthood.


Leptin, Genetic obesity, Childhood obesity, Fats.


Obesity may be allocated as the "New World Syndrome". Its prevalence is on continuous rise altogether age teams of the many of the developed countries within the world. Statistical data reveals that the staple of obesity has exaggerated from 12–20% in men and from 16–25% in girls over the last 10 years [1]. Recent studies counsel that just about 15–20% of the middle aged European population area unit weighty [2] which in USA alone it's liable for as many as 3,00,000 premature deaths annually [3]. Obsessed patients are related to exaggerated risk of morbidity and mortality relative to those with ideal weight [4]. Even modest weight reduction within the range of 5–10% of the initial weight is related to important enhancements during a wide selection of co-morbid conditions [5-9]. Obesity, that was once viewed because the results of lack of will power, or a life-style "choice" – the selection to scarf out and beneath exercise, is currently being thought by the modern world as a chronic unwellness, which needs effective methods for its management.

Obesity, in straightforward terms, could also be outlined as a state of imbalance between calories taken versus calories gone which might cause excessive or abnormal fat accumulation. Body Mass Index (BMI) is a measurement tool of weight corrected for height and that reflects the overall body fat and has been the foremost accepted parameter for outlining over weight [10].

BMI= Weight of an Individual (in kgs)/Height2(m2)

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British Dietetic Association specialist mass represents dietitians operating in adult and childhood obesity hindrance and management, recognising obesity as being a specialist in that field of dietetic practice. The obesity specialists works to speak evidence-based standards, support post-registration coaching for obesity management, contribute to national tips, campaign for health improvement, and to develop and foster a network of overweight management professionals. Canadian Obesity Network support to get rid of the stigma from fatness and convey positivism and give importance to the peoples who are suffering with obesity.Credible and evidence-based info and tools designed to alter however they tend to understand and discuss fatness reasons.Connecting to a community of researchers, health professionals and policy creators who wish to form a distinction for the lives of those are suffering with fatness. American Society for Nutrition (ASN) is an non-profit organization dedicated to accumulate the world's high researchers, clinical nutritionists and business to advance the knowledge and application of nutrition for the sake of humans and animals. Main focus ranges from the foremost important details of analysis and application to the broadest applications in society, in the U.S. and round the world.

Journal of Obesity & Weight Loss Therapy deals with the medical study of obesity and body mass index. Obesity and Weight Loss measure are well-known risk factors for several medical conditions. Therapeutic Weight Loss in people that measure overweight or obese will decrease the probability of developing these diseases. The Journal of Childhood Obesity deals with all fields of treating childhood obesity involving child nutrition, pediatrics obesity, skinfold thickness, insulin resistance, physical education, weight management, food choice, hypothyroidism, diabetes mellitus, fasting blood glucose, energy balance, etc.

Childhood Obesity

Childhood obesity has reached epidemic levels in developed countries. 25% of children’s within the United States area are overweight. Regarding 70% of corpulent adolescents grow to become corpulent adults [11-14]. The prevalence of childhood obesity is in increasing since 1971 in developed countries. In some European countries like the Scandinavian countries the prevalence of childhood obesity is lower as compared with Mediterranean countries; yet, the proportion of corpulent children is rising in each cases [15]. The very best prevalence rates of childhood obesity are determined in developed countries; however, similarly its prevalence is increasing in developing countries also. The prevalence of childhood obesity is high within the geographic region, Central and Eastern Europe [16-21]. For example, in 1998, the World Health Organization project watching of cardiovascular diseases (MONICA) according to that, Iran among the seven countries has large prevalence of childhood obesity. The prevalence of BMI (in percentage) between eighty fifth and ninety fifth mark in women was considerably over that in boys (10.7, SD=1.1 vs. 7.4, SD=0.9). Identical pattern was seen for the prevalence of BMI > 95th percentile (2.9, SD=0.1 vs. 1.9, SD=0.1) [22]. In Asian nation, one in each six kids aged 6 to 18 years recent is corpulent [23]. Moreover, in each developed and developing countries there are unit of proportionately additional women overweight than boys, notably among adolescent [24-27].

In omics’s journal Li Ming Wen has published an article on topic “Obesity in Young Children: What Can We Do About?” where it has been described about the home-based early intervention to improve infant feeding practices, eating habits and active play, and reduce TV viewing time, as well as improve family behavioural risk factors for childhood obesity.

Causes of Obesity

The stability between calorie intake and energy expenditure determines a human weight. If someone grabs a lot of calories than he or she burns (metabolizes), the person gains weight (the body can store the surplus energy as fat). If someone grabs fewer calories than he or she metabolizes, than only fats will going to melt off. So, the foremost common causes of obesity are deadly sin and physical inactivity. Ultimately, weight is that the results of genetics, metabolism, environment, food habits, and culture.


There is a lot of possible to develop obesity if one or both parents are fat. Genetics have an additional effect on hormones concerned in fat regulation. As an example, one genetic reason for obesity is leptin deficiency. Leptin could be an internal secretion synthesised in fat cells and additionally within the placenta [28-36]. Leptin controls weight by signalling the brain to eat less, once body fat stores are too high. If, for a few reason, the body cannot manufacture enough leptin or leptin cannot signal the brain to eat less, this management is lost, and obesity happens. The role of leptin replacement as a treatment for obesity is presently being explored.

Muhammad Wasim has an article on the topic “Obesity and Leanness Caused by Mutations in the Leptin Gene: Already 6 Pathogenic Mutations Reported in this Gene” where he has described about the leptin gene which is related to the obesity and weight control.

A Diet High in Easy Carbohydrates

The role of carbohydrates in weight gain isn't clear. Carbohydrates increase blood sugar levels, that successively stimulate insulin unleash by the pancreas, and insulin promotes the expansion of fat tissue and might cause weight gain [37]. Some scientists believe that simple carbohydrates (sugars, fructose, desserts, soft drinks, beer, wine, etc.) contribute to weight gain as they are quickly absorbed into the blood than complex carbohydrates (pasta, brown rice, grains, vegetables, raw fruits, etc.) and that causes an additional pronounced insulin unleash after meals than complex carbohydrates [38-43]. This extra insulin unleash, some scientists believe, contributes to weight gain.

Frequency of Eating

The association between frequency of eating (how usually you eat) and weight is somewhat debatable. There are several reports of overweight folks feeding less usually than folks with traditional weight. Scientists have ascertained that people who eat little meals 4 or 5 times daily, have lower cholesterol levels and lower and/or additional stable glucose levels than people that eat less often (two or 3 massive meals daily)[44-49]. One attainable validation is that tiny frequent meals manufacture stable insulin levels, whereas massive meals cause giant spikes of insulin after meals.

Physical Inactivity

Inactive individuals burn fewer calories than people who are active. The National Health and Nutrition Examination Survey (NHANES) showed that physical inactivity was powerfully correlative with weight gain in all sexes.


Medications related to weight gain embrace bound antidepressants (medications employed in treating depression), anticonvulsants (medications employed in dominant seizures like carbamazepine [Tegretol, Tegretol XR , Equetro, Carbatrol] and valproate [Depacon, Depakene]), some diabetes medications (medications employed in lowering glucose like hypoglycaemic agent, sulfonylureas, and thiazolidinediones), bound hormones like oral contraceptives, and most corticosteroids like Liquid Prednisone [50]. Weight gain may moreover be seen with some high blood pressure medications and antihistamines. The description for the weight gain with the medications differs for every medication.

Psychological Factors of Obesity

Food is usually used as a main mechanism for those with weight issues, mostly when they are unhappy, anxious, stressed, lonely, and pissed off. In several corpulent people there seems to be a perpetual cycle of mood disturbance, overeating, and weight gain [51]. When they feel distressed, they address food to assist cope, and although such comfort intake could end in temporary attenuation of their distressed mood, the load gain that results could cause an unhappy mood attributable to their inability to regulate their stress. The ensuing guilt could activate the cycle, resulting in an eternal pattern of victimization food to deal with emotions [52-56]. This pattern is especially applicable if there's a genetic predisposition for fatness or a “toxic” atmosphere during which calorically dense foods are accessible and physical activity is restricted. Sadly, these circumstances are common in America.

In addition to depression and anxiety, alternative risk factors express problematic intake behaviors like “mindless intake,” frequent snacking on high calories foods, overeating, and night intake [57]. Binge eating disorder (BED) is presently enclosed in an appendix of the Diagnostic and statistical Manual of Mental Disorders (DSM-IV-TR)[58] and is characterised by: repeated episodes of intake throughout a distinct amount of your time (at least a pair of days every week over a 6 month period); eating quantities of food that are larger than the general people would eat throughout an identical quantity of time; a way of lack of management throughout the episodes; and guilt or distress following the episodes. BED is calculable to occur in just about a pair of the overall population and between 100 percent and twenty fifth of the bariatric population [59]. A vital differentiation between BED and bulimia/anorexia is that BED isn't related to any regular counteractive behaviour, like purging, fasting, or excessive exercise, [60] therefore the majority of people with BED square measure overweight. Night intake is another disorder which will cause important weight gain, although night intake syndrome (NES) isn't presently recognized as a definite designation within the DSM-IV-TR.

Osama Hamdy who is an editorial board member in Journal of Obesity & Weight Loss Therapy and his research of interest are metabolic and cardiovascular risk factors and body fat distribution and inflammation markers in obese individuals with diabetes.

Psychological Importance of Fat

Society views fat people terribly in a negative way. [61-64] People who are obese are “weak-willed” and “unmotivated” discriminated by the majority peoples. Some people are usually alert to these negative views. They have to face social and work-related discrimination, [65] as a result usually suffer from low shallowness, and feel uncomfortable with their bodies (i.e. body image dissatisfaction). [66] These feelings could cause strain on their intimate and romantic relationships. 20-70% of obese people opting for bariatric surgery suffer from a current and/or past medicine disorder, of that Major depression is that the most notable.

Obese people have usually created multiple tries to turn, with very little or no success. Their unsuccessful tries end in discouragement, frustration, despair, and learned helplessness regarding the prospect of losing weight within the future on their own. For this reason, several communicate bariatric surgery as a final resort. Not astonishingly, vital weight loss confers psychological further as medical edges, with improved mood, shallowness, motivation, and relationships. A meta-analysis of forty studies specializing in psychosocial outcomes of bariatric surgery projected that psychological health and psychosocial standing as well as social relationships and employment opportunities improved; and medicine symptoms and comorbidity, preponderantly emotional disorders, decreased. These changes lead to improve the quality of life for the bulk who had weight loss surgery.[67]

Diseases Related to Obesity

Being overweight or obesity is not a cosmetic disadvantage. These conditions greatly raise risk for different health issues.

High Blood Pressure and Stroke

Blood pressure is that the force of blood pushing against the walls of the arteries because the heart pumps blood [68]. If this pressure rises and stays high over time, it will injure the body in many ways. Extra weight leads to cause high blood pressure level and high cholesterol. Each of these conditions creates heart condition or stroke.

The good news is that losing a little quantity of weight will cut back your possibilities of developing heart condition or a stroke. Losing 5%-10% of your weight is evidenced to lower your likelihood of developing heart condition

Type 2 Diabetes

Diabetes could be an illness within which the body's blood sugar, or glucose, level is simply too high. Normally, the body breaks down food into glucose and so carries it to cells throughout the body [69-72]. The cells use secretion hormone insulin to convert glucose into energy.

In type 2 diabetes, the body's cells do not use insulin properly. At first, the body reacts by secreting additional insulin [73]. Over time, however, the body cannot build enough insulin to regulate its glucose level.

Diabetes could be a leading reason for early death, CHD, stroke, nephrosis diseases, and vision defect. Most of the people who have type 2 diabetes are overweight.


Cancers of the colon, breast (after menopause), mucosa (the lining of the uterus), kidney, and gullet area coupled with fatness [74]. Some studies have additionally reported links between fatness and cancers of the bladder, ovaries, and duct gland.


Gallstones are a fatigue stone like material. They are highly contrived from cholesterol. Gallstones mostly cause abdomen or back pain [75-79]. People who have overweight are at high-risk of getting gallstones. Also, being overweight might lead to enlargement of the gallbladder that does not work well.

Ironically, weight loss itself, notably fast weight loss or loss of an oversized quantity of weight, is an indication to urge gallstones [80]. Losing weight at a rate of about one pound every week is a smaller amount for causing gallstones.


Osteoarthritis may be a common joint condition that usually affects the knee, hip, or back. The condition happens if the tissue that protects the joints wears away. Further weight will place additional pressure and decline joints, inflicting pain [81-89]. Weight loss will ease stress on the knees, hips, and lower back and will improve the symptoms of degenerative arthritis.


Obesity has reached epidemic proportions and is currently affecting to younger age [90-93]. The raised consumption of calorie-dense nourishment and sucrose-enriched drinks, along with progressively inactive lifestyle, seem to be major factors for the obesity. Whereas the prevention of obesity ought to receive high priority, there's rising study about treating fat, notably those with metabolic syndrome or sort a pair of type2 diabetes, has short-run effects on the diabetes; improves glucose, lipid, and pressure parameters; and is probably going to possess helpful effects on semi-permanent health outcomes [94-100]. There's proof that anti-obesity agents are efficacious and have a favorable impact on parameters related to cardiovascular outcomes.


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