Dr. William K Hahn MD

Weight loss surgeries, which are also collectively referred to as bariatric surgery are done when dietary and exercise treatment plans fail to work. More often, patients undergo this kind of surgery if their health is at risk due to their heavy weight. A bariatric operation can be done to obese...

The nutritional requirements of women differ from the nutritional needs of men. Moreover, these requirements change depending on what stage the body is in, like during pregnancy, if a woman is breastfeeding, menstruation, and menopause. The second the female body undergoes puberty, the essential...

Endometriosis is rare in puberty, even though signs and symptoms of endometriosis can start with the first menstrual period. After menopause, the signs and symptoms of endometriosis disappear due to the lack of hormones.As mentioned, there is no cure for endometriosis. However, treatment includes...

What is metrorrhagia?Dysfunctional uterine bleeding is also called as metrorrhagia. In the first few years of menstrual onset, females commonly experience this problem. Also, women close to their menopausal phase tend to have metrorrhagia. In this condition, women have bleeding episodes outside...

Despite only using a conventional optical microscope, researchers have found a way to see farther and more detailed into what they are studying. This is by using expansion microscopy, expanding the size of what they are observing, instead of intensifying the microscope at a high cost. This technique...

IntroductionNausea is an unpleasant feeling that is usually experienced before vomiting. Constant or persistent nausea is characterized by feeling nauseous for more than 24 hours. Although nausea and vomiting often come together, vomiting may occur without feeling nauseous and nausea can occur...