The timing of the nausea or vomiting can indicate the cause. When appearing shortly after a meal, nausea or vomiting may be caused by food poisoning, gastritis (inflammation of the stomach lining), an ulcer, or bulimia. Nausea or vomiting one to eight hours after a meal may also indicate food poisoning
Answer:
Polycythemia
Explanation:
People with polycythemia have an increase in hematocrit, hemoglobin, or red blood cell count above the normal limits.
<span> Explain the importance of these activities for getting into college, and invite the friends to join him.</span>