My hands and especially fingers are always cold, even when it's warm outside. also my palms most of the time are sweaty. how to deal with this?

Poss Raynaud's Phen: This sounds like something called Raynaud's phenomenon or Raynaud's disease. This is a condition of extreme extremity sensitivity to cold, where the blood vessels actually constrict in response to cold. You should have an evaluation. Can be done on HealthTap if you can take blood pressure and send pics of hands or via a video chat. If dx'd various tx options. Some respond better to one or another.