Cotinine is a byproduct of the metabolism of nicotine which remains in the blood for up to 48 hours. It can therefore be used as an indicator of a person’s exposure to nicotine. Nicotine’s mood-altering effects are different by report: in particular it is both a stimulant and a relaxant. First causing a release of [...]

The human body and the brain cotain opioid receptors called endorphins, our own natural pain-killing substances produced whenever our body pass through emergency moments of shock or injury. Heroin binds rapidly with endorphin receptors, extending and magnifying their natural painkilling effect.
The result is a sensation of pleasurable, known as “high” “rush.” The user experiences a [...]

The sensation that using cocaine produces is the feeling of euphoria. Unfortunately, causes the increase of the blood pressure and heart rate. Although the cocaine effect is fast-acting and short-lived, the addicts report feeling energetic and alert while using the drug. The effects range depending on dosage and purity of the drug.
When snorting cocaine the [...]

When using amphetamines, tolerance comes very easy together with the addiction. The addict will try to recreate the first high that he experienced while using first time the drug. The worse among them is methamphetamine, known as “meth”, “speed”, “crank”, “crystal”, etc. From here comes the term “meth addiction.”
Metamphetamine is a white powder that can [...]

Before start using amphetamines, either with medical prescription or not, you should better know how they act over human body, what they do, the physical and mental effects while you are under influence, what happens in your brain, and the side effects after using them.
At the first sight, amphetamines can make someone to feel energetic, [...]