Dr. Oz reveals the which materials for your gloves will keep your hands and fingers warm and protected from the elements.

Now that borders are opening and cities around the country are welcoming back tourists, many attractions (restaurants, theaters, concerts, museums) will require you to show your COVID-19 vaccination card.

Unfortunately, these cards can be as small as a Social Security card and just as fragile — so losing it will be pretty easy. But don't fret! Here's what to know if you've lost your card:

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