Jessie James Decker is giving an update on her 2-year-old son, Forrest, who was hospitalized last month after he experienced breathing issues.The scary incident marked Forrest's third trip to the hospital in six weeks, the 32-year-old singer shared at the time. On Wednesday, Decker said his breathing issues are caused by his asthma, which both she and her husband, former NFL player Eric Decker, also have.«It turns out, he's just got asthma,» she said in a video on her Instagram Story.