Sex dating in crystal city texas

Muscle cramps such as "charley horse", sometimes severe and prolonged, can occur both in short-term use and more dangerously in long-term use due to electrolyte imbalance from poor diet and dehydration.

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Methamphetamine belongs to the substituted phenethylamine and substituted amphetamine chemical classes.

It is related to the other dimethylphenethylamines as a positional isomer of these compounds, which share the common chemical formula: C Methamphetamine is contraindicated in individuals with a history of substance use disorder, heart disease, or severe agitation or anxiety, or in individuals currently experiencing arteriosclerosis, glaucoma, hyperthyroidism, or severe hypertension.

Methamphetamine properly refers to a specific chemical, the racemic free base, which is an equal mixture of levomethamphetamine and dextromethamphetamine in their pure amine forms.

It is rarely prescribed due to concerns involving human neurotoxicity and potential for recreational use as an aphrodisiac and euphoriant, among other concerns, as well as the availability of safer substitute drugs with comparable treatment efficacy.

In low doses, methamphetamine can elevate mood, increase alertness, concentration and energy in fatigued individuals, reduce appetite, and promote weight loss.

At higher doses, it can induce psychosis, breakdown of skeletal muscle, seizures and bleeding in the brain.

Since both natural rewards and addictive drugs induce expression of ΔFos B (i.e., they cause the brain to produce more of it), chronic acquisition of these rewards can result in a similar pathological state of addiction.

ΔFos B is the most significant factor involved in both amphetamine addiction and amphetamine-induced sex addictions, which are compulsive sexual behaviors that result from excessive sexual activity and amphetamine use.

Internationally, the production, distribution, sale, and possession of methamphetamine is restricted or banned in many countries, due to its placement in schedule II of the United Nations Convention on Psychotropic Substances treaty.

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