BMI: Tom Brady is obese?

Your Body Mass Index (BMI) is a measurement of your body fat percentage. And based on the results, you are labeled normal, overweight or obese.   But BMI can give you some crazy results. Using this measurement, I’m considered obese. And so is NFL superstar Tom Brady. You see, BMI only compares your height against your weight. It doesn’t distinguish between fat and muscle. But here’s the thing… Muscle is much denser than fat. So if you have a lot of muscle, you can have a high BMI but still be lean. There’s a much more reliable test to measure your body’s composition of fat and muscle. It’s called dual-energy X-ray absorptiometry (DXA or DEXA). In my clinic, it’s one of the first tests I give to my patients. You probably know the DEXA test as the gold standard for measuring bone density. But new research shows it can also give you a detailed snapshot of your body’s composition of bone, muscle and fat.   In a recent study of 50 women, doctors compared BMI with DEXA results. They found that some women who were told they were overweight based on their BMI actually had normal fat levels on their DEXA.1 And 18.5% of the women with normal BMI actually had a lot of excess fat based on their DEXA. In other words, they were “skinny fat” people. You see, the BMI also can’t measure deadly visceral fat. This type of fat collects in your abdominal cavity. It surrounds your organs and restricts them. Vis...
Source: Al Sears, MD Natural Remedies - Category: Complementary Medicine Authors: Tags: Anti-Aging Source Type: news

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Source: AARP.org News - Category: American Health Source Type: news
Publication date: September 2018Source: Nano Energy, Volume 51Author(s): Jun Li, Lei Kang, Yanhao Yu, Yin Long, Justin J. Jeffery, Weibo Cai, Xudong WangAbstractImplantable nanogenerator (i-NG) has shown great promises for enabling self-powered implantable medical devices (IMDs). One essential requirement for practical i-NG applications is its long-term bio-compatibility and bio-safety. This paper presents a systematic study of polydimethylsiloxane (PDMS) and PDMS/Parylene-C packaged polyvinylidene fluoride (PVDF) NGs implanted inside female ICR (Institute of Cancer Research) mice for up to six months. The PVDF NG had a st...
Source: Nano Energy - Category: Nanotechnology Source Type: research
In this study, we describe a nanostructured ZnO adsorbent, which displays remarkable efficiency toward the removal of widely used azo dyes, methyl orange (MO) and amaranth (AM), from aqueous systems. The ZnO nanoparticles (ZnO-NPs) were prepared by simple co-precipitation method, and the structural morphology of the as-prepared NPs was revealed by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform IR (FTIR) and Brunauer–Emmett–Teller (BET). After complementary characterization, as-prepared ZnO-NPs were further used as adsorbent for the removal of toxic azo dyes (MO and AM) from water...
Source: Journal of Materials Research and Technology - Category: Materials Science Source Type: research
Authors: Ryu S, Chang Y, Kim YS, Kim HJ Abstract OBJECTIVES: We aimed to examine the relationship between sitting time and the development of ultrasonography-diagnosed gallstone disease (GSD) in young and middle-aged Korean men and women. MATERIAL AND METHODS: We conducted a cohort study of 147,237 participants without GSD at baseline who underwent a health checkup examination between 2011 and 2015 and were followed annually or biennially until December 2016. Sitting time and physical activity were measured using the validated Korean version of the international physical activity questionnaire short form. GSD w...
Source: Scandinavian Journal of Gastroenterology - Category: Gastroenterology Tags: Scand J Gastroenterol Source Type: research
Publication date: Available online 21 July 2018Source: Seminars in Cell &Developmental BiologyAuthor(s): Jiayun Hou, Xiangdong WangAbstractPolycomb group proteins (PcG) play important roles in the maintenance of DNA sequencing and multi-dimensional organization of genome. The main PcG complexes are consisted of Polycomb repressive complex 1 and 2, of which the diversity is dependent upon target gene sequences and functions. The present review initially explores the mechanism-based relationship and functional roles of PcG proteins in the interplay between epithelial mesenchymal transition (EMT) and chromatin dynamics in...
Source: Seminars in Cell and Developmental Biology - Category: Cytology Source Type: research
CONCLUSION: Advising pregnant women about behaviours and lifestyle habits to prevent infectious diseases remains important, and information about preventive practices needs to be complete and adequate. The health care providers who participated in this study did express a clear need for information related to food safety during pregnancy and listeriosis, as supported by their lack of knowledge in some areas. If that lack is remedied, the knowledge gained could improve counselling practices. PMID: 30030057 [PubMed - as supplied by publisher]
Source: Journal of Obstetrics and Gynaecology Canada : JOGC - Category: OBGYN Tags: J Obstet Gynaecol Can Source Type: research
Publication date: Available online 21 July 2018Source: Obesity Research &Clinical PracticeAuthor(s): George L. WehbyAbstractGenetic studies of BMI have largely focused on how average BMI changes with SNPs or polygenic risk scores (PRS). We examine the effects of a BMI PRS on changes in BMI percentiles, range, and skewness using quantile regression and US nationally representative data from the Health and Retirement Survey. We find that the BMI PRS is associated with meaningfully larger weight increases at higher than lower BMI percentiles; the 90th BMI percentile increases by 4.7 units with a one SD increase in the PRS...
Source: Obesity Research and Clinical Practice - Category: Eating Disorders & Weight Management Source Type: research
DIABETES type 2 symptoms are triggered when there are problems with blood sugar levels. This is because of problems with the hormone insulin, which affects cells ’ ability to take in sugar. It is possible to develop ‘borderline’ diabetes, or pre diabetes, before the condition. Watch out for these symptoms.
Source: Daily Express - Health - Category: Consumer Health News Source Type: news
In this study, we found that overexpression of nicotinamide nucleotide transhydrogenase (NNT) was associated with shorter overall and disease free survival in gastric cancer. The NNT is considered a key antioxidative enzyme based on its ability to regenerate NADPH from NADH. Knockdown of NNT caused significantly NADPH reduction, induced high levels of ROS and significant cell apoptosis under oxidative stress conditions such as glucose deprival and anoikis. In vivo experiments showed that NNT promoted tumor growth, lung metastasis and peritoneal dissemination of gastric cancer. Moreover, intratumoral injection of NNT siRNA ...
Source: Redox Biology - Category: Biology Source Type: research
Publication date: 1 November 2018Source: Carbohydrate Polymers, Volume 199Author(s): Rahmi, Lelifajri, Rizki NurfatimahAbstractPreparation and characterization of polyethylene glycol diglycidyl ether (PEDGE) crosslinked chitosan/activated carbon composite film have been conducted. PEDGE was used as crosslinking agent and activated carbon as a filler on composite film preparation. The composite films were produced with several ratios of chitosan/PEDGE/activated carbon. Tensile test, Fourier Transform Infrared (FTIR), X-Ray Diffraction (XRD) and Scanning electron Microscope (SEM) were used to study the structure and properti...
Source: Carbohydrate Polymers - Category: Biomedical Science Source Type: research
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