(HealthDay News) -- Asthma can begin at any age, but it usually starts in childhood.
The National Heart, Lung, and Blood Institute says risk factors for developing asthma include:
Nasal Spray Flu Vaccine Now Available for At-Home Use
Moderna’s mRNA Flu Vaccine Back Under FDA Review
The Reason Why Many Older Americans Skip Seasonal Vaccines
The Flu Vaccine Can Lower Your Risk Of Heart Attack And Stroke — Even If You Wind Up Infected
They Spent Hours In A Room Full Of Flu Patients And Walked Out Healthy — Here's How