FULL STORY. Phytochemicals known as flavanols, which are found in chocolate, fruits and vegetables, can boost the levels of nitric oxide in the blood of smokers and reverse some of their smoking-related impairment in blood vessel function, according to a new study in the Oct. 4, 2005, issue of the Journal of the American College of Cardiology. Share:
The list of signs and symptoms mentioned in various sources for Viral gastroenteritis includes the 6 symptoms listed below: 1  Watery diarrhea. 2  Vomiting. 3  Headache. Fever.  Abdominal 1  cramps. Stomach 2  ache. more information...Â».
Symptoms of Gastroenteritis. The main symptoms of viral gastroenteritis are watery diarrhea and vomiting. Other symptoms of gastroenteritis include headache, fever, chills, and abdominal pain. The symptoms may appear within hours or a few days of infection. They usually last for 1 to 2 days, but may last as long as 10 days.