Holy quads, Batman! Research has also shown deficiencies in zinc to be a risk factor for infertility caused by low testosterone levels. T-Boosting Tip: Get your shuck on at happy hour. Just a half dozen oysters on the half shell will provide you with 33 mg of zinc, nearly three times the 12 mg RDA for adult men.
The Roux-en-Y (RNY) gastric bypass surgery, which is currently the most common type of gastric bypass surgery, was first performed in 1967 through open surgery, and uses a Y configuration in rerouting the intestines. The first laparoscopic Roux-en-Y gastric bypass was performed in 1993.
History of angioplasty and stenting. Coronary angioplasty, conceptually described by Dotter and Judkins in 1964, was first performed by Andreas Gruntzig in 1977. Coronary stents were developed in the mid-1980s and since then have seen major refinements in design and composition. The landmark events in the history of stent development are shown in Table 1.