Food instructions for dummies: part-3
chemicals that enable brain cells to send messages back and forth Dopamine and norepinephrine are chemicals that make you feel alert and Serotonin is a chemical that can make you feel smooth and calm Some forms of clinical depression appear to be a malfunction of the bodyfs Several medical drugs are useful in making neurotransmitters more available Tricyclic antidepressants: These drugs were the first truly effective They are named for their chemical structure: three symptoms by increasing the availability of serotonin Monoamine oxidase inhibitors (MAO inhibitors): These drugs interrupt the actions of an enzyme that triggers the natural elimination of dopamine and other neurotransmitters so that they remain available for Selective serotonin reuptake inhibitors (SSRIs):
These medicines slow the bodyfs natural re-absorption of serotonin, leaving more serotonin edicines slow the bodyfs natural re-absorption of both serotonin Norepinephrine and dopamine reuptake inhibitor (NDRI): This medicine slows the bodyfs natural re-absorption of norepinephrine and marketed as an antismoking drug under the brand name Zyban. For more about alcoholfs effects on virtually every body organ and system, In this chapter, itfs enough to say that many people find that, taken with food and in moderation. defined as one drink a day for a alcohol can comfortably change a mood from Anandamide is a cannabinoid, a chemical that hooks up to the same brain.
In the study was 74 percent cocoa, served in two daily doses, 20 grams in the morning and 20 grams in the afternoon, after which the researchers tested the volunteersf blood to measure levels of stress hormones the levels of stress hormones went down among the chocolate eaters, thus normally reserved for another naturally occurring tranquilizer, adenosine When caffeine latches on in place of adenosine, brain cells become more reactive to stimulants such as noise and light, making you talk People react to it in highly individual ways Some can drink seven cups of regular (gwith caffeineh) coffee and still stay calm all day and sleep like a baby at night Perhaps those who stay calm have enough brain receptors to accommodate both adenosine and caffeine, or perhaps theyfre more sensitive listed here is an average for the generic versions of the food or drink.
You can check out the caffeine content of brand-name products such as a Starbucks Espresso Solo (75 mg/oz) or Ben and Jerryfs coffee flavored ice cream (34 mg/4 oz) at the Center for Science In the Public Interest Table 24-4 Foods That Give You Caffeine USDA National Nutrient Database for Standard Reference, Tryptophan is an amino acid, another one of those gbuilding blocks of proteinh.
All amino acids ride into your brain on chemical pathways, but your brain makes way for the bouncy tyrosine first and the soothing tryptophan last Thatfs why a high-protein meal heightens your alertness To move the tryptophan along faster, you need glucose, and that means releases insulin, a hormone that enables you to metabolize the carbs. amount of serotonin available to your brain (see Figure 24-1) Fascinating factoid: Even though turkey is high in protein, itfs also high in tryptophan, the precursor of (chemical that leads to the creation of) serotonin, which may explain why so many people nod off after Thanksgivin that your body releases when youfre in love, making you feel, well, good all.
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