Finding it hard to breathe when you lay down is medically called orthopnea. Find a list of potential causes to help narrow down your overall risk here.
Research suggests that introducing kids to food allergens early in life can help—but that the same might not be true for other types of allergies. Here's what to know.
However, RSV can cause more severe symptoms in infants, older adults and people with weakened immune systems. In some cases, it can be deadly. Mason is now on a ventilator in the intensive care unit ...