Viagra is a prescription drug that's used for erectile dysfunction. When you take Viagra, it increases the blood flow to your penis and enables you to achieve and sustain an erection. Viagra may also increase your desire to have sex, however, it is usually not recommended to take Viagra frequently. If you have taken Viagra and have experienced side effects, tell your doctor or pharmacist immediately. It may take a few days for the effects of Viagra to disappear.

Taking Viagra may cause headaches, flushing, stuffy nose, muscle aches, indigestion, loss of appetite, diarrhea, nausea, vomiting, or fainting. There may viagra also be increased risks of bleeding when you are taking medicines for another medical condition. Some of the ingredients in Viagra may cause sensitivity to light. If you are experiencing any side effects while you are using Viagra, don't use it again until you tell your doctor.

Barely 1 month after the first publication of its initial findings, and with the help of the Internet and social media, this virus became a worldwide phenomenon in no time.

But is it possible to predict which news stories will receive attention and what will capture people’s attention?