After this trick, you will know immediately whether you are healthy or have some health problems.
Namely, if your fingerstips become white or blue, it’s a sign that you have a problem with circulation.
Significant change in temperature (or stress) can cause blood vessels that transmit blood through the fingers, nose, and ears.
As a result, those parts of the body do not get enough blood.
Circulation problems can be caused by clogged blood, which can be very dangerous for the heart or lungs and become potentially deadly and cause obesity or diabetes.