I am a happy and positive person and always have been. My uncle who i am very close to is a heavy smoker and developed cancer and is in hospital. I have been very down lately and of course have been crying and stressing like crazy. My dad (also a heavy smoker) developed a cough recently and since this happened I have been getting these weird feelings. I will try to explain it as best as I can. It starts with crying because I imagine my dad in hospital bed and then my throat closes up, it’s gets harder to breath, my heart rate is crazy, and my arms and legs give up. I gasp for air but I fail to get any air in my lungs. I live alone so there’s no one I can call when this happens. It happens three or four times a day. It leaves me exhausted and very scared. Money is tight right now so I cannot go to a therapist. What do you guys think it is?