Effects of Opiate Withdrawal. The effects of opiate withdrawal can be very unpleasant for the addict. Symptoms and effects will vary depending upon the length of the addiction, the amount of drug used, and the frequency the narcotic was abused. Withdrawal from narcotics should always be done under the close supervision of medical personnel.
A: Helium balloons float because they are less dense than the surrounding air, which causes them to rise. Gravity acts on helium balloons the same way it does on the surrounding air; it has no effect on whether the balloon floats or not. It all comes down to relative densities. Continue Reading
The less dense the gas inside the balloon, the more air it displaces in proportion to its own weight. Consequently, balloons that are more dense than air will tend to sink, while balloons that are less dense than air will tend to rise, and that's why helium balloons fly while oxygen-filled balloons fall.