I have just started feeling like i am breathing in cold air with slight discomfort. i do not have asthma but have had something like one please help?

Possible asthma: Breathing cold air can cause your airways to close down if you have asthma, or, it can just be uncomfortable to the throat. If it makes you cough or wheeze (high-pitched noise when you breath out), or if it happens a lot and is a big problem, talk to your doctor about it. Wearing a scarf over your mouth when it's cold, or breathing through your nose can also help.