Your lighter period is a coincidence. By the time alcohol hits your bloodstream it's not alcohol anymore, but a bunch of toxic metabolites that whiz around and give you the drunk feeling. It can't thin out your blood. Drinking *heavily* is a bad idea if you want to get pregnant (or at all, but that's another story). But an occasional cocktail is fine.
Nutrition. Pistachios contain fewer calories and more potassium and vitamin K per serving than other nuts. A 1-ounce serving of dry-roasted pistachios contains 160 calories, 6 grams of protein, 3 grams of fiber and 15 grams of fat, including only 2 grams of saturated fat.
1 Other foods that are good for your circulation include cranberries, apples, peanuts, onions, tea, and red wine. 2  Chances are, if you take good care of your vascular health, you will avoid many of the common causes of erectile dysfunction. The benefits of pistachios for erection problems may be due to a protein called arginine, which may help relax blood vessels.  2 This is another example of how good circulation is good for sexual health, which is good news because I eat a lot of pistachios, says Dr. Daneshgari.