You probably think that such a thing is impossible, but Russian physician Sergey Bubnovsky claims that this is one of the most successful methods to enhance immunity, and in order achieve so you only need to dedicate 15 seconds of your time a day.
If you have poor immunity, often catch colds and flu out there and you have allergic reactions to everything then try this incredibly easy trick.
Fill a bowl with cold water and add a little ice. Put your feet in the bowl and remain so for 15 seconds, then remove the legs, wipe with a cloth and put on wool socks.
Dr. Sergei argues that if you practice this every day, your immune system will immediately improve, and over time all diseases will be powerless against you. He also says you should not be afraid that in this a way you catch a cold, but it will happen the complete opposite – it will strengthen immunity.