There's new evidence that the high-fat, low carb keto diet might have benefits for reproductive health. His testosterone levels also more than doubled. Interestingly, his testosterone levels decreased slightly. These results were based on the dieting plan called Pronokal, a highly-studied commercial weight loss method launched in Spain in , which differs from traditional keto in that it's both low-carb fewer than 50 grams a day but also limited to calories a day.
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And, whatever it is, when it comes to…well, your sperm, are those microscopic wagging warriors affected by fat globules circulating in your system? How does obesity affect sperm production? We all know there are many overweight and obese fathers, but, in the medical field we are aware that there is compelling global evidence that a significant reduction in sperm counts appears to coincide with an almost tripling in the incidence of obesity in men. While many overweight and obese men have normal semen parameters, many others do not. Although it is not clear at what target weight or BMI the extra pounds start to affect your swimmers and ultimately, your fertility, losing weight can reverse these effects.
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With NHS funding for IVF diminishing, Imperial researchers are looking at weights loss as a way to support men who have obesity-related reproductive dysfunction. Infertility is the inability to have children after 12 months of regular unprotected intercourse and is fairly common, affecting 1 in 7 couples. Obesity is a rising global epidemic, so it is no surprise that a quarter of men attending fertility centres are obese. During the last few decades, tremendous advances have taken place in the treatment of women diagnosed with infertility. However, little progress is made for couples with male factor infertility.
Welcome to the February edition of Research Extracts. Research summaries in this issue include: 1 dietary effects on human sperm, 2 gender differences in blood pressure as we age, 3 weight loss and breast cancer risk, and 4 obesity and vitamin D deficiency. Metabolic disease and obesity are on the rise worldwide.