Okay, so "crackback" is basically a ghetto version of testing the melting point range. A scientist might describe it as " qualitative observation of crystallization as a means of approximating melting point range ." Basically, a pure substance will solidify in a noticeably different way than a mixture will. Now, when watching a molten pool of whatever the fuck you happen to have, you will typically see one of two things: In some cases, small number of crystals will form at the edges, and then the whole pool will slowly solidify in a wave outward from the initial crystals. This means that the substance is most likely pure. It doesn't necessarily tell you what it is, only that it's reasonably pure. So it's good to check using at least one other method to identify what it is. In other cases, it'll sort of solidify around the edges at first, then gradually get slushy-looking, usually with a molten spot in the middle as the last part to finally solidify
Depending on who you ask, you will get different answers as to how important body pH is. Some experts believe it is very important to overall health, some say it is essential, and others would rather promote certain medications for all your illnesses rather than identify a potential cause. My personal opinion is it's a game changer regards harm reduction. With most people having a body pH that is too acidic and the high number of health issues we face today, it seems there is a true link after all. The pH level in your body refers to the measurement of hydrogen ion concentration in your body. The scale ranges from 1 to 14, with 7 being neutral. A pH less than 7 is considered to be acidic and above 7 is alkaline. The ideal pH for the human body should lie between 7.3 and 7.45. An overly alkaline pH in the body can interfere with your immune system, and too much acid can cause a host of problems to be discussed below. You cab easily test your pH levels with litmus paper. Testing your
In lab animal experiments, sex caused dopamine levels to increase to 200 units, and cocaine caused levels to rise to 350 units. With methamphetamine, dopamine levels jumped to about 1,250 units. Overall, this study showed that meth causes at least 5-10 times as much feelings of pleasure as sex, food, and other activities, including the use of other illegal stimulant drugs. Monster noted that all illegal drugs of abuse release dopamine, but that methamphetamine produces the mother o f all dopamine releases.
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