The best answer to this is that this is more accurate for water-soluble vitamins than for fat-soluble vitamins.
It varies. If you use vitamins improperly, they are a waste of money. Additionally, if you use vitamins properly, they are the deal of a lifetime.
When compared to generic supplements that include questionable substances that your body doesn't need, vitamins may appear to be a waste of money. On the other hand, vitamins and minerals are essential for your health. Without them, your body will stop functioning. That does imply death.
Vitamins can either be fat or water-soluble. Moisture vitamins (B, C) cannot be stored by the body, thus any extra you consume from dietary sources is excreted. This means that water-soluble vitamins cannot be consumed in excess.
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how is it possible that norepinephrine can cause vasoconstriction in one location but vasodilation in another?
Receptor types differ in these tissues that norepinephrine can cause vasoconstriction in one location but vasodilation in another.
What is vasoconstriction?
The narrowing (constriction) of blood arteries by tiny muscles in their walls is known as vasoconstriction. Blood flow is slowed or blocked when blood vessels close. Vasoconstriction may be slight or severe. It may result from disease, drugs, or psychological conditions.
Medications causing vasoconstriction, also known as vasoconstrictors, are one type of medicine used to raise blood pressure. Generalized vasoconstriction usually results in an increase in systemic blood pressure, but it may also occur in specific tissues, causing a localized reduction in blood flow.
Midodrine, Methysergide, Dihydroergotamine are the example of Vasoconstrictor.
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