Method 4: Use Dry Ice. Primarily used as a cooling agent, dry ice can be used to get out small dents from your car. As long as you're wearing protective gloves, hold down a piece of dry ice on the dent and rub it around until you hear your dent pop back into place.
This effect was maintained for 1 to 2 months. You could say that nano gold, which is far more bioavailable than even a gold colloid, is a blessing for the brain. Also, nano gold is a very powerful anti-inflammatory agent. Gold has long been used in the treatment of rheumatoid arthritis. However, in traditional treatments, gold compounds are used which are toxic and produce a lot of side effects.
Gold is a good conductor of heat and electricity and does not tarnish when it is exposed to the air, so it can be used to make electrical connectors and printed circuit boards. Gold is also a good reflector of infrared radiation and can be used to help shield spacecraft and skyscrapers from the sun's heat. Gold coated mirrors can be used to make telescopes that are sensitive to infrared light. A radioactive isotope of gold, gold-198, is used for treating cancer.