At What Age Do German Shepherd Ears Stand Up Straight? When your puppy is finished teething (around week 20), his ears should start to stick up or should be all the way up. Why does it take five months for this to occur? As a puppy, the GSD's cartilage is not strong enough and cannot hold up the weight of his big ears. But as he grows and gets the right nutrition, he develops stronger cartilage.
The Mayo Clinic warns that people who drink more than four cups of coffee a day may feel a range of side effects, including insomnia, nervousness, restlessness, irritability, stomach upset, fast heartbeat and muscle tremors. How sensitive you are to caffeine depends on a number of factors.
Diuretic Effects of Coffee. Coffee is one of the most popular brewed beverages in the U.S. and around the world. One of the primary causes of its popularity is due to its high caffeine content. According to the Center for Science in the Public Interest, an average 12 oz. cup of caffeinated brewed coffee has approximately 260 mg of caffeine. This amount compares to 40 to 120 mg for black tea and approximately 30 to 50 mg for caffeinated soft drinks. In addition to its stimulant effects, caffeine is a known diuretic.