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Female athlete triad in Asia is not well studied although the prevalence is not that low (about 2-4%). Many of us as practitioners could easily miss the diagnosis as the presenting symptoms might be vague and thus a high degree of suspicion is needed. There was a study in 2009 among 67 elite female athletes . . . → Read More: Female athlete triad There was an enquiry on the affects of combination supplementation of ephedrine compounds (including ma huang, ephedra, and synephrine) and caffeine to enhance sport performance. Here is my response: Liu et al. (1995) demonstrated that the thermogenic response by ephedrine was mediated by all three beta-adrenoceptors subtyptes and at least 40% of by the . . . → Read More: Ergogenic aids in sport performance We begin the series on Nutrition for Sports and fitness. The first topic that I would like to deal with is a question from a reader on oxygenated water in fitness training. There are 3 basic challenges to oxygenated water conferring physiological or ergogenic benefits to athletic performance that are based on basic physiology . . . → Read More: Nutrition for sports and health It is interesting to note that both the NCEP and Framingham risk scores correlate poorly with physical plaque burden on CT coronary angiography in 1653 patients with no history of CAD but who were experiencing atypical chest pain, were smokers, or had a family history of CAD, high blood pressure, or hypercholesterolemia. Amount of . . . → Read More: Total plaque score by CT angiography does not correlate with NCEP and Framingham risk scores Lipoproteins are specialized proteins with a single spherical layer of phospholipids and cholesterol membrane and content of cholesterol esters, TG and proteins. The protein concentration determines the density of the lipoprotein. HDL has the highest protein content while chylomicron with the lowest protein. Another critical structure that is in the membrane are the apoproteins . . . → Read More: Understanding Apoproteins and lipid transport and regulation Dr John Cannell, the Executive Director of the non-profit organization, Vitamin D council provides a succinct article that is useful for those who do not understand the physiology of vitamin D. Vitamin D Physiology DIFFERENT FORMS OF VITAMIN D To understand the vitamin D endocrine system one needs to be familiar with the different . . . → Read More: Understanding Vitamin D On 22 Feb 2011, the University of California released a press statement on the results of a study conducted jointly between UCSD and Creighton University School of Medicine in Omaha. Higher vitamin D intake needed to reduce cancer risk Researchers at the University of California, San Diego School of Medicine and Creighton University School . . . → Read More: Vitamin D and Cancer There is an emerging school of thought that is supported by evidence in research that cancer could be a nutritional disease. Cancer cells are known to plump for aerobic glycolysis and substrate phosphorylation energy system when mitochondria, the power generator of cellular energy are impaired from exotoxins or endotoxins. Normal cells use oxidative phosphorylation . . . → Read More: Cancer – a nutritional disease? There has been much talk about the role of estrogens in breast cancer risk. While cumulative estrogen exposure is the most critical breast cancer risk factor. The role of different metabolites of estrogen in cancer risk has increasingly been researched. In premenopausal women, the ovaries produce the estrogen estradiol (E2), which converts into estrone . . . → Read More: Good and Bad Estrogens?  First, let’s take a deeper look at the Women’s Health Initiative (WHI) studies that change the medical perspective of menopausal hormone therapy (MHT) and drop the use of hormones significantly. The menopausal hormone therapy clinical trial had two parts. The first involved 16,608 postmenopausal women with a uterus who took either estrogen plus-progestin therapy . . . → Read More: WHI studies in perspective |
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