I don't boast I know this, I copied it -
Common causes of cold hands and feet may include
- Arthritis
- Carpal tunnel syndrome
- Circulatory diseases including Peripheral vascular disease
- Diabetes
- Peripheral neuropathy
- Raynaud’s Syndrome
- Smoking
Something I looked up years ago though was Raynaud's syndrome (or disease) as I thought my wife had it. She still won't go and have it checked out, but she's lived with it for 30 odd years now so sod it. Let her suffer.
The aspirin thins the blood allowing it to get through all the tiny veins, which in theory should warm your toes. However, if they are still cold, they could also be cooling your blood exessively and that could make you cold all over.
Have you tried neoprene boot liners?
Or those heat packets - shake 'em and put them in your trouser pockets? I tried some of those one day when we were filming, supplied to all of us as it was so cold. Put one in each trouser pocket and was so warm I was sweating in a cold field in December with just a shirt and jacket on me top. Oh, and a cap. It was cold enough for two pairs of braces, but them packets of crystals, whatever they were, really worked.
This is the idea, these are from Blacks -
£2.49 each, but if they make you feel comfortable they're worth it.
Then again, these are only £1 for two -
Shop around for hot pad handwarmers on Google
Or these - fo thi feet! £2.99 per pair.