Random Nose bleeds?

Ive never had antenna bleeds my entire life, but lately alot of blood have been going down my throat and into my stomach and when it does it feel really cold.. and my nose have been bleeding for a moment.
what could this be from?
ps; I smoke, could that have anything to do near it?Random Nose bleeds?
Actually, it could be your blood pressure, check with your doc. when your bp is lofty, your heart feels approaching its beating out of your chest and when its low you can just about get a pulse.
GO TO YOUR DOCTOR! you'll be aware of much better.
Could be high blood pressure. Smoking contributes to glorious blood pressure as well as caffeines. You should specifically follow up with your doctor. High blood pressure also set as hypertension increases risk of stroke among other things. Hypertension can be regulated thru diet, exercise or medication.