This incredible trick is perfect for boosting your immunity, especially if you’re having a cold or the flu. It’s easy, free and it’s recommended by many Russian doctors.
Here’s the trick:
Dip your feet in cold water every day for 15 seconds. Wipe your feet thoroughly afterwards and put on warm socks. Repeat this every night before going to sleep.
If you already have a cold, do this treatment each 4 hours.