I came across this information that I felt was worth sharing:

How to improve circulation

HOW TO ... IMPROVE CIRCULATION

If blood doesn't move well through your veins and arteries, your
tissues and organs aren't getting enough oxygen and nutrients. Here are
tips for avoiding heart disease and other major health problems that
can result:

Be aware of trouble. Symptoms of poor circulation
include tingling in the feet and hands, cold fingers and toes,
bluish-tinted skin and slow-healing wounds. If you notice those
problems, talk to your doctor.

Keep moving. Aim to exercise 30
minutes a day. If you spend a lot of time sitting, stand up or do some
simple movements at least once an hour - for example, rotating your
arms in small circles, tapping your knees and thighs with a fist or
doing a few jumping jacks.

Drink smart. Water improves
circulation; try it warm or at room temperature rather than iced.
Alcohol, sodas and other sugary drinks can have the opposite effect.

Eat right. Limit sugar, salt and unhealthy fats such as full-fat dairy
products, coconut oils and processed baked goods. Load up on fruits,
vegetables and whole grains and eat moderate amounts of healthy fats
found in fish, olive oil, avocado, nuts and sesame seeds.

Don't smoke. Nicotine use is a leading cause of circulation problems.

Put your feet up. Regularly prop up your legs for short periods of time.

Take a warm bath. Soaking your body, particularly your feet, in warm water can boost blood flow.

Ask about supplements. Talk to your doctor about options such as
B-complex vitamins, vitamin C, calcium, magnesium, omega 3 fish oil or
herbal products.

Lower stress. Over time, mental anxiety can
lead to circulatory problems. Find an enjoyable hobby, get enough
sleep, exercise regularly and learn relaxation techniques such as deep
breathing and yoga stretches.

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(c) 2008, Daily Press (Newport News, Va.).