A cold typically resolves after about a week, although congestion, cough, and runny nose can linger. Your cold may be improving if you have more energy and your symptoms are milder. Generally, these ...

Cold sores are caused by the herpes simplex virus, usually HSV-1. While some people believe that certain foods can trigger a cold-sore outbreak, there isn’t enough proof to back this up. Share on ...

While children play in winter wonderlands, families nestle together near the fire, and workers attend their annual holiday party, viruses are plotting to give them a cold. As an infectious disease ...