I received a letter off Capita saying that I was Perminantly Medically Unfit. The reason they gave me is 'your medical history of asthma with use of inhaler and oral steroids for wheeze in 2015 and significant level of varibility seen on your Peak Flow Diary reacordings means that you fail to meet the required medical standards'. The thing is I've never had athsma in my life, and the inhaler and oral steroids were for my bronchitis I had which lasted for 1 or 2 weeks. Although when they gave me my peak flow diary I was reaching 300 at the start as I had a cold but after that was finished I was hitting 400-450 (I'm a female, 5'5). It says on the letter that I can appeal, but how do I go about it?