If you are interested in heroin, make sure to look up images of heroin sores as well. They are the very nasty pits that the injections leave behind. See the related links below.
If the heroin is being smoked "chasing the dragon" then contact high is possible, otherwise... No!
heroin is cooked into a liquid form in a spoon and then sucked up through a needle, often using q tips or cotton balls as a 'filter' for the heroin, the blood on the cotton ball could have been some of the blood that got into the needle when the person injected themselves, meaning they most likely sucked up heroin through the cotton ball so i'd guess you could test it for heroin.
A junkie, an addict, or a drug abuser. Some people call heroin abusers horse heads, horse being another term for heroin.
Yes, smoked bacon is cooked before being served.
The wire used in heroin pipes is typically called a "filter" or a "brillo pad." It is used to prevent heroin residue from being inhaled directly into the lungs when smoking the drug.
no banana does not loose the potassium after cooked.
No, heroin and crack are two different class of drugs and will show up different on drug tests.
Raw
That is very hard to say, a lot of the deaths that are attributed to heroin are the result of bad health that is forced on heroin addicts by the price being kept up. leading to malnutrition exposure and other diseases.
Yes, canned kidney beans are cooked before being packaged.
Boiled eggs can be stored in the refrigerator for up to one week after being cooked.