That's a loaded questions there can be so many causes for your arm to be tingly and numb.
To name a few: Panic attacks, Heart attacks, pinched nerves, carpal tunnel, impingement syndromes, neurological problems.
If it continues or you start having any other symptoms. I suggest you seek medical advice from a professional.
To name a few: Panic attacks, Heart attacks, pinched nerves, carpal tunnel, impingement syndromes, neurological problems.
If it continues or you start having any other symptoms. I suggest you seek medical advice from a professional.